78841905 divided by 80 
Let's see how many times 80 fits into 78841905.

Step 1:
80 goes into 7 0 times with a remainder of 7.
The next digit of our result is 0. 
Result so far: 0.0
Deduct 0 from 7 and we're left with 7.
Include the next digit (8) from the dividend after 7, then repeat: 78 / 80

Let's proceed to step 2:
80 can be fit into 78 0 times, resulting in a remainder of 78.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we subtract 0 from 78, we get 78.
Take the next digit (8) from the dividend and append it to 78, then repeat: 788 / 80

Moving on to step 3:
80 goes into 788 9 times with a remainder of 68.
Record the quotient 9 as the next digit in the result. 
Result so far: 9.0
Deduct 720 from 788 and we're left with 68.
Fetch the next digit (4) from the dividend, attach it to 68 and continue: 684 / 80

Moving on to step 4:
If we divide 684 by 80, we get 8 and a remainder of 44.
The next digit of our result is 8. 
Result so far: 98.0
If we take 640 away from 684, we end up with 44.
Bring next digit (1) of the dividend behind the 44 and repeat the process: 441 / 80

Going ahead to step 5:
If we divide 441 by 80, we get 5 and a remainder of 41.
Record the quotient 5 as the next digit in the result. 
Result so far: 985.0
If we take 400 away from 441, we end up with 41.
Append the next digit (9) from the dividend to 41 and continue with: 419 / 80

Advancing to step 6:
80 can be fit into 419 5 times, resulting in a remainder of 19.
Record the quotient 5 as the next digit in the result. 
Result so far: 9855.0
If we subtract 400 from 419, we get 19.
Fetch the next digit (0) from the dividend, attach it to 19 and continue: 190 / 80

Let's proceed to step 7:
If we divide 190 by 80, we get 2 and a remainder of 30.
The next digit of our result is 2. 
Result so far: 98552.0
Subtract 160 from 190 to get 30.
Take the next digit (5) from the dividend and append it to 30, then repeat: 305 / 80

Advancing to step 8:
80 can be fit into 305 3 times, resulting in a remainder of 65.
Write down 3 as next digit of the result. 
Result so far: 985523.0
The remainder is 65 after subtracting 240 from 305.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Step 9:
80 goes into 650 8 times with a remainder of 10.
The number 8 becomes the next digit in our result. 
Result so far: 985523.8
If we subtract 640 from 650, we get 10.
Since there are no more digits in the dividend, we add a zero to the remainder making it 100, and continue the process.

Advancing to step 10:
80 goes into 100 1 times with a remainder of 20.
Write down 1 as next digit of the result. 
Result so far: 985523.81
If we take 80 away from 100, we end up with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 11:
200 divided by 80 is 2 with a remainder of 40.
Write down 2 as next digit of the result. 
Result so far: 985523.812
Subtract 160 from 200 to get 40.
Since there are no more digits in the dividend, we add a zero to the remainder making it 400, and continue the process.

On to step 12:
If we divide 400 by 80, we get 5 and a remainder of 0.
The next digit of our result is 5. 
Result so far: 985523.8125
Deduct 400 from 400 and we're left with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

On to step 13:
If we divide 0 by 80, we get 0 and a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 985523.8125
Subtract 0 from 0 to get 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Advancing to step 14:
80 can be fit into 0 0 times, resulting in a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 985523.8125
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 985523.8125 with a balance of 0.0.