79113615 has 16 divisors (see below), whose sum is σ = 144665088. Its totient is φ = 36166176.

The previous prime is 79113611. The next prime is 79113623. The reversal of 79113615 is 51631197.

It is a happy number.

It is not a de Polignac number, because 79113615 - 2² = 79113611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79113611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376627 + ... + 376836.

It is an arithmetic number, because the mean of its divisors is an integer number (9041568).

Almost surely, 2^79113615 is an apocalyptic number.

79113615 is a deficient number, since it is larger than the sum of its proper divisors (65551473).

79113615 is a wasteful number, since it uses less digits than its factorization.

79113615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753478.

The product of its digits is 5670, while the sum is 33.

The square root of 79113615 is about 8894.5834641089. The cubic root of 79113615 is about 429.2896419930.

The spelling of 79113615 in words is "seventy-nine million, one hundred thirteen thousand, six hundred fifteen".