# What is the divisibility rule for 9?

**Solution:**

The divisibility rule for 9 is similar to that of divisibility rule of 3.

- Add the digits of the given number
- Check if the obtained sum is divisible by 9 or not
- If the sum is divisible by 9, then the given number is also divisible by 9

For example, 81963 is divisible by 9 as 8 + 1 + 9 + 6 + 3 = 27 is divisible by 9

Verification: 81963/9 = 9107

Thus, the divisibility rule for 9 is the sum of the digits of the number should be divisible by 9.

## What is the divisibility rule for 9?

**Summary:**

If the sum of the digits of the number is divisible by 9, then the given number is divisible by 9.

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