87258880 ÷ 523 
We want to divide 87258880 by 523.

Step 1:
523 goes into 8 0 times with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 8 to get 8.
Take the next digit (7) from the dividend and append it to 8, then repeat: 87 / 523

Going ahead to step 2:
When dividing 87 by 523, we get 0 with a remainder of 87.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 87 leaves us with 87.
Fetch the next digit (2) from the dividend, attach it to 87 and continue: 872 / 523

Going ahead to step 3:
523 can be fit into 872 1 times, resulting in a remainder of 349.
Put 1 as the next digit of the answer. 
Result so far: 1.0
Deduct 523 from 872 and we're left with 349.
Fetch the next digit (5) from the dividend, attach it to 349 and continue: 3495 / 523

On to step 4:
523 goes into 3495 6 times with a remainder of 357.
The number 6 becomes the next digit in our result. 
Result so far: 16.0
If we take 3138 away from 3495, we end up with 357.
Bring next digit (8) of the dividend behind the 357 and repeat the process: 3578 / 523

Let's proceed to step 5:
If we divide 3578 by 523, we get 6 and a remainder of 440.
Record the quotient 6 as the next digit in the result. 
Result so far: 166.0
If we take 3138 away from 3578, we end up with 440.
Take the next digit (8) from the dividend and append it to 440, then repeat: 4408 / 523

On to step 6:
If we divide 4408 by 523, we get 8 and a remainder of 224.
The next digit of our result is 8. 
Result so far: 1668.0
If we subtract 4184 from 4408, we get 224.
Take the next digit (8) from the dividend and append it to 224, then repeat: 2248 / 523

Going ahead to step 7:
The number 523 fits into 2248 4 times, leaving a remainder of 156.
Put 4 as the next digit of the answer. 
Result so far: 16684.0
Subtract 2092 from 2248 to get 156.
Bring next digit (0) of the dividend behind the 156 and repeat the process: 1560 / 523

Going ahead to step 8:
The number 523 fits into 1560 2 times, leaving a remainder of 514.
The next digit of our result is 2. 
Result so far: 166842.0
Subtracting 1046 from 1560 leaves us with 514.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5140, and continue the process.

Let's proceed to step 9:
The number 523 fits into 5140 9 times, leaving a remainder of 433.
Put 9 as the next digit of the answer. 
Result so far: 166842.9
Subtracting 4707 from 5140 leaves us with 433.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4330, and continue the process.

Going ahead to step 10:
523 goes into 4330 8 times with a remainder of 146.
Use 8 as the next digit of our solution. 
Result so far: 166842.98
Subtract 4184 from 4330 to get 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Going ahead to step 11:
If we divide 1460 by 523, we get 2 and a remainder of 414.
The number 2 becomes the next digit in our result. 
Result so far: 166842.982
Subtracting 1046 from 1460 leaves us with 414.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4140, and continue the process.

Moving on to step 12:
523 goes into 4140 7 times with a remainder of 479.
Record the quotient 7 as the next digit in the result. 
Result so far: 166842.9827
The remainder is 479 after subtracting 3661 from 4140.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4790, and continue the process.

Advancing to step 13:
523 can be fit into 4790 9 times, resulting in a remainder of 83.
Record the quotient 9 as the next digit in the result. 
Result so far: 166842.98279
The remainder is 83 after subtracting 4707 from 4790.
Since there are no more digits in the dividend, we add a zero to the remainder making it 830, and continue the process.

Advancing to step 14:
523 goes into 830 1 times with a remainder of 307.
Put 1 as the next digit of the answer. 
Result so far: 166842.982791
The remainder is 307 after subtracting 523 from 830.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3070, and continue the process.

Moving on to step 15:
3070 divided by 523 is 5 with a remainder of 455.
Record the quotient 5 as the next digit in the result. 
Result so far: 166842.9827915
Subtracting 2615 from 3070 leaves us with 455.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4550, and continue the process.

On to step 16:
523 goes into 4550 8 times with a remainder of 366.
The next digit of our result is 8. 
Result so far: 166842.98279158
If we subtract 4184 from 4550, we get 366.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3660, and continue the process.

The final outcome is 166842.98279158, with a leftover of 3.66e-07.