Q: What is the negative version of the number 78,564,391?
A: -78,564,391
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:
| 78,564,389 | 78,564,390 | 78,564,392 | 78,564,393 |
| -78,564,389 | -78,564,390 | -78,564,392 | -78,564,393 |