79686046 has 16 divisors (see below), whose sum is σ = 130973040. Its totient is φ = 36060480.

The previous prime is 79686043. The next prime is 79686067. The reversal of 79686046 is 64068697.

It is a super-2 number, since 2×79686046² = 12699731854228232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79685987 and 79686005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79686043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2871 + ... + 12946.

It is an arithmetic number, because the mean of its divisors is an integer number (8185815).

Almost surely, 2^79686046 is an apocalyptic number.

79686046 is a deficient number, since it is larger than the sum of its proper divisors (51286994).

79686046 is a wasteful number, since it uses less digits than its factorization.

79686046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16059.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 79686046 is about 8926.7040950174. The cubic root of 79686046 is about 430.3225378887.

The spelling of 79686046 in words is "seventy-nine million, six hundred eighty-six thousand, forty-six".