79686051 has 8 divisors (see below), whose sum is σ = 106398720. Its totient is φ = 53048712.

The previous prime is 79686043. The next prime is 79686067. The reversal of 79686051 is 15068697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79686051 - 2³ = 79686043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79685994 and 79686012.

It is not an unprimeable number, because it can be changed into a prime (79686031) by changing a digit.

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, 16315 + ... + 20628.

It is an arithmetic number, because the mean of its divisors is an integer number (13299840).

Almost surely, 2^79686051 is an apocalyptic number.

79686051 is a deficient number, since it is larger than the sum of its proper divisors (26712669).

79686051 is a wasteful number, since it uses less digits than its factorization.

79686051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37665.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 79686051 is about 8926.7043750759. The cubic root of 79686051 is about 430.3225468891.

The spelling of 79686051 in words is "seventy-nine million, six hundred eighty-six thousand, fifty-one".