Q: What is the negative version of the number 17,780,821?
A: -17,780,821
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:
| 17,780,819 | 17,780,820 | 17,780,822 | 17,780,823 |
| -17,780,819 | -17,780,820 | -17,780,822 | -17,780,823 |