Q: What is the negative version of the number 21,788,857?
A: -21,788,857
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,788,855 | 21,788,856 | 21,788,858 | 21,788,859 |
| -21,788,855 | -21,788,856 | -21,788,858 | -21,788,859 |