79686822 has 16 divisors (see below), whose sum is σ = 159519600. Its totient is φ = 26537952.

The previous prime is 79686799. The next prime is 79686847. The reversal of 79686822 is 22868697.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 12752.

It is an arithmetic number, because the mean of its divisors is an integer number (9969975).

Almost surely, 2^79686822 is an apocalyptic number.

79686822 is an abundant number, since it is smaller than the sum of its proper divisors (79832778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79686822 is a wasteful number, since it uses less digits than its factorization.

79686822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12167.

The product of its digits is 580608, while the sum is 48.

The square root of 79686822 is about 8926.7475600019. The cubic root of 79686822 is about 430.3239347422.

It can be divided in two parts, 79686 and 822, that added together give a palindrome (80508).

The spelling of 79686822 in words is "seventy-nine million, six hundred eighty-six thousand, eight hundred twenty-two".