Q: What is the digital root of 66,766,677

 A: 6

Why is 6 the digital root of the number 66,766,677?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 66,766,677?


Split the number up and add each digit together:


6 + 6 + 7 + 6 + 6 + 6 + 7 + 7 = 51

If the answer is more than one digit, you would add each digit of the answer together again:

5 + 1 = 6

What is the digital root of number 66,766,677?

Answer: 6


More Examples

Number 66,766,67566,766,67666,766,67866,766,679
Digital Root 4578

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