86314643 divided by 7 
We want to figure out the number of times 86314643 can be divided by 7.

Going ahead to step 1:
The number 7 fits into 8 1 times, leaving a remainder of 1.
Put 1 as the next digit of the answer. 
Result so far: 1.0
The remainder is 1 after subtracting 7 from 8.
Grab the next digit (6) from the dividend, add it to 1, then carry on: 16 / 7

Step 2:
7 can be fit into 16 2 times, resulting in a remainder of 2.
The next digit of our result is 2. 
Result so far: 12.0
If we take 14 away from 16, we end up with 2.
Grab the next digit (3) from the dividend, add it to 2, then carry on: 23 / 7

Advancing to step 3:
When dividing 23 by 7, we get 3 with a remainder of 2.
The next digit of our result is 3. 
Result so far: 123.0
If we take 21 away from 23, we end up with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 7

Moving on to step 4:
21 divided by 7 is 3 with a remainder of 0.
Use 3 as the next digit of our solution. 
Result so far: 1233.0
If we take 21 away from 21, we end up with 0.
Append the next digit (4) from the dividend to 0 and continue with: 4 / 7

Moving on to step 5:
7 can be fit into 4 0 times, resulting in a remainder of 4.
Use 0 as the next digit of our solution. 
Result so far: 12330.0
If we subtract 0 from 4, we get 4.
Include the next digit (6) from the dividend after 4, then repeat: 46 / 7

Advancing to step 6:
7 can be fit into 46 6 times, resulting in a remainder of 4.
The number 6 becomes the next digit in our result. 
Result so far: 123306.0
Subtracting 42 from 46 leaves us with 4.
Fetch the next digit (4) from the dividend, attach it to 4 and continue: 44 / 7

Going ahead to step 7:
7 goes into 44 6 times with a remainder of 2.
Write down 6 as next digit of the result. 
Result so far: 1233066.0
Subtract 42 from 44 to get 2.
Append the next digit (3) from the dividend to 2 and continue with: 23 / 7

On to step 8:
If we divide 23 by 7, we get 3 and a remainder of 2.
Use 3 as the next digit of our solution. 
Result so far: 12330663.0
Subtracting 21 from 23 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 9:
If we divide 20 by 7, we get 2 and a remainder of 6.
Write down 2 as next digit of the result. 
Result so far: 12330663.2
Subtract 14 from 20 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 10:
7 can be fit into 60 8 times, resulting in a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 12330663.28
If we subtract 56 from 60, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Going ahead to step 11:
7 goes into 40 5 times with a remainder of 5.
Use 5 as the next digit of our solution. 
Result so far: 12330663.285
If we take 35 away from 40, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 12:
The number 7 fits into 50 7 times, leaving a remainder of 1.
Write down 7 as next digit of the result. 
Result so far: 12330663.2857
If we subtract 49 from 50, we get 1.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Advancing to step 13:
If we divide 10 by 7, we get 1 and a remainder of 3.
The next digit of our result is 1. 
Result so far: 12330663.28571
Subtracting 7 from 10 leaves us with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Advancing to step 14:
If we divide 30 by 7, we get 4 and a remainder of 2.
Use 4 as the next digit of our solution. 
Result so far: 12330663.285714
Subtract 28 from 30 to get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 15:
If we divide 20 by 7, we get 2 and a remainder of 6.
Put 2 as the next digit of the answer. 
Result so far: 12330663.2857142
Subtracting 14 from 20 leaves us with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Going ahead to step 16:
7 goes into 60 8 times with a remainder of 4.
The number 8 becomes the next digit in our result. 
Result so far: 12330663.28571428
Deduct 56 from 60 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

In conclusion, the division gives 12330663.28571428 with a balance of 4e-09.