66890171 divided by 277 
Let's see how many times 277 fits into 66890171.

Going ahead to step 1:
The number 277 fits into 6 0 times, leaving a remainder of 6.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
The remainder is 6 after subtracting 0 from 6.
Grab the next digit (6) from the dividend, add it to 6, then carry on: 66 / 277

Step 2:
277 goes into 66 0 times with a remainder of 66.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 66 after subtracting 0 from 66.
Append the next digit (8) from the dividend to 66 and continue with: 668 / 277

On to step 3:
The number 277 fits into 668 2 times, leaving a remainder of 114.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
Deduct 554 from 668 and we're left with 114.
Bring next digit (9) of the dividend behind the 114 and repeat the process: 1149 / 277

Let's proceed to step 4:
The number 277 fits into 1149 4 times, leaving a remainder of 41.
Use 4 as the next digit of our solution. 
Result so far: 24.0
If we subtract 1108 from 1149, we get 41.
Grab the next digit (0) from the dividend, add it to 41, then carry on: 410 / 277

Advancing to step 5:
When dividing 410 by 277, we get 1 with a remainder of 133.
Write down 1 as next digit of the result. 
Result so far: 241.0
If we take 277 away from 410, we end up with 133.
Bring next digit (1) of the dividend behind the 133 and repeat the process: 1331 / 277

Moving on to step 6:
1331 divided by 277 is 4 with a remainder of 223.
Write down 4 as next digit of the result. 
Result so far: 2414.0
Deduct 1108 from 1331 and we're left with 223.
Include the next digit (7) from the dividend after 223, then repeat: 2237 / 277

Step 7:
If we divide 2237 by 277, we get 8 and a remainder of 21.
The next digit of our result is 8. 
Result so far: 24148.0
Subtracting 2216 from 2237 leaves us with 21.
Fetch the next digit (1) from the dividend, attach it to 21 and continue: 211 / 277

Going ahead to step 8:
211 divided by 277 is 0 with a remainder of 211.
The next digit of our result is 0. 
Result so far: 241480.0
If we subtract 0 from 211, we get 211.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2110, and continue the process.

On to step 9:
The number 277 fits into 2110 7 times, leaving a remainder of 171.
The number 7 becomes the next digit in our result. 
Result so far: 241480.7
Deduct 1939 from 2110 and we're left with 171.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1710, and continue the process.

Moving on to step 10:
277 can be fit into 1710 6 times, resulting in a remainder of 48.
Put 6 as the next digit of the answer. 
Result so far: 241480.76
The remainder is 48 after subtracting 1662 from 1710.
Since there are no more digits in the dividend, we add a zero to the remainder making it 480, and continue the process.

Going ahead to step 11:
If we divide 480 by 277, we get 1 and a remainder of 203.
The next digit of our result is 1. 
Result so far: 241480.761
Subtract 277 from 480 to get 203.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2030, and continue the process.

On to step 12:
The number 277 fits into 2030 7 times, leaving a remainder of 91.
Use 7 as the next digit of our solution. 
Result so far: 241480.7617
Subtracting 1939 from 2030 leaves us with 91.
Since there are no more digits in the dividend, we add a zero to the remainder making it 910, and continue the process.

Moving on to step 13:
277 goes into 910 3 times with a remainder of 79.
Use 3 as the next digit of our solution. 
Result so far: 241480.76173
If we subtract 831 from 910, we get 79.
Since there are no more digits in the dividend, we add a zero to the remainder making it 790, and continue the process.

Advancing to step 14:
277 goes into 790 2 times with a remainder of 236.
Record the quotient 2 as the next digit in the result. 
Result so far: 241480.761732
If we subtract 554 from 790, we get 236.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2360, and continue the process.

Advancing to step 15:
If we divide 2360 by 277, we get 8 and a remainder of 144.
Write down 8 as next digit of the result. 
Result so far: 241480.7617328
The remainder is 144 after subtracting 2216 from 2360.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1440, and continue the process.

Moving on to step 16:
When dividing 1440 by 277, we get 5 with a remainder of 55.
The number 5 becomes the next digit in our result. 
Result so far: 241480.76173285
If we take 1385 away from 1440, we end up with 55.
Since there are no more digits in the dividend, we add a zero to the remainder making it 550, and continue the process.

In conclusion, the division gives 241480.76173285 with a balance of 5.5e-08.