79116579 has 12 divisors (see below), whose sum is σ = 114862176. Its totient is φ = 52475472.

The previous prime is 79116571. The next prime is 79116599. The reversal of 79116579 is 97561197.

79116579 is a `hidden beast` number, since 79 + 1 + 1 + 6 + 579 = 666.

It is not a de Polignac number, because 79116579 - 2³ = 79116571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79116571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20539 + ... + 24084.

It is an arithmetic number, because the mean of its divisors is an integer number (9571848).

Almost surely, 2^79116579 is an apocalyptic number.

79116579 is a deficient number, since it is larger than the sum of its proper divisors (35745597).

79116579 is a wasteful number, since it uses less digits than its factorization.

79116579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44826 (or 44823 counting only the distinct ones).

The product of its digits is 119070, while the sum is 45.

The square root of 79116579 is about 8894.7500808061. The cubic root of 79116579 is about 429.2950030534.

The spelling of 79116579 in words is "seventy-nine million, one hundred sixteen thousand, five hundred seventy-nine".