83386739 ÷ 566 
We want to figure out the number of times 83386739 can be divided by 566.

Advancing to step 1:
If we divide 8 by 566, we get 0 and a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
If we take 0 away from 8, we end up with 8.
Grab the next digit (3) from the dividend, add it to 8, then carry on: 83 / 566

Going ahead to step 2:
When dividing 83 by 566, we get 0 with a remainder of 83.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 83 leaves us with 83.
Include the next digit (3) from the dividend after 83, then repeat: 833 / 566

Step 3:
The number 566 fits into 833 1 times, leaving a remainder of 267.
Write down 1 as next digit of the result. 
Result so far: 1.0
If we take 566 away from 833, we end up with 267.
Grab the next digit (8) from the dividend, add it to 267, then carry on: 2678 / 566

Let's proceed to step 4:
566 can be fit into 2678 4 times, resulting in a remainder of 414.
The next digit of our result is 4. 
Result so far: 14.0
Deduct 2264 from 2678 and we're left with 414.
Grab the next digit (6) from the dividend, add it to 414, then carry on: 4146 / 566

Step 5:
4146 divided by 566 is 7 with a remainder of 184.
Record the quotient 7 as the next digit in the result. 
Result so far: 147.0
Subtract 3962 from 4146 to get 184.
Take the next digit (7) from the dividend and append it to 184, then repeat: 1847 / 566

Moving on to step 6:
The number 566 fits into 1847 3 times, leaving a remainder of 149.
Write down 3 as next digit of the result. 
Result so far: 1473.0
Subtracting 1698 from 1847 leaves us with 149.
Include the next digit (3) from the dividend after 149, then repeat: 1493 / 566

Advancing to step 7:
566 goes into 1493 2 times with a remainder of 361.
The next digit of our result is 2. 
Result so far: 14732.0
The remainder is 361 after subtracting 1132 from 1493.
Take the next digit (9) from the dividend and append it to 361, then repeat: 3619 / 566

Moving on to step 8:
566 can be fit into 3619 6 times, resulting in a remainder of 223.
The next digit of our result is 6. 
Result so far: 147326.0
Deduct 3396 from 3619 and we're left with 223.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2230, and continue the process.

On to step 9:
The number 566 fits into 2230 3 times, leaving a remainder of 532.
Write down 3 as next digit of the result. 
Result so far: 147326.3
If we subtract 1698 from 2230, we get 532.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5320, and continue the process.

Moving on to step 10:
5320 divided by 566 is 9 with a remainder of 226.
Use 9 as the next digit of our solution. 
Result so far: 147326.39
Subtract 5094 from 5320 to get 226.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2260, and continue the process.

Let's proceed to step 11:
566 can be fit into 2260 3 times, resulting in a remainder of 562.
Put 3 as the next digit of the answer. 
Result so far: 147326.393
The remainder is 562 after subtracting 1698 from 2260.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5620, and continue the process.

On to step 12:
The number 566 fits into 5620 9 times, leaving a remainder of 526.
The next digit of our result is 9. 
Result so far: 147326.3939
If we take 5094 away from 5620, we end up with 526.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5260, and continue the process.

Step 13:
5260 divided by 566 is 9 with a remainder of 166.
Use 9 as the next digit of our solution. 
Result so far: 147326.39399
Subtracting 5094 from 5260 leaves us with 166.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1660, and continue the process.

The final outcome is 147326.39399, with a leftover of 0.000166.