Q: What is the negative version of the number 638,216,787?
A: -638,216,787
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:
| 638,216,785 | 638,216,786 | 638,216,788 | 638,216,789 |
| -638,216,785 | -638,216,786 | -638,216,788 | -638,216,789 |