79180516 has 24 divisors (see below), whose sum is σ = 142248960. Its totient is φ = 38549472.

The previous prime is 79180511. The next prime is 79180531. The reversal of 79180516 is 61508197.

It is a super-2 number, since 2×79180516² = 12539108228052512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79180511) 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, 28125 + ... + 30811.

It is an arithmetic number, because the mean of its divisors is an integer number (5927040).

Almost surely, 2^79180516 is an apocalyptic number.

It is an amenable number.

79180516 is a deficient number, since it is larger than the sum of its proper divisors (63068444).

79180516 is a wasteful number, since it uses less digits than its factorization.

79180516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 79180516 is about 8898.3434413378. The cubic root of 79180516 is about 429.4106149112.

The spelling of 79180516 in words is "seventy-nine million, one hundred eighty thousand, five hundred sixteen".