Q: What is the negative version of the number 644,331,677?
A: -644,331,677
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:
| 644,331,675 | 644,331,676 | 644,331,678 | 644,331,679 |
| -644,331,675 | -644,331,676 | -644,331,678 | -644,331,679 |