79055615 has 4 divisors (see below), whose sum is σ = 94866744. Its totient is φ = 63244488.

The previous prime is 79055579. The next prime is 79055621. The reversal of 79055615 is 51655097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51655097 = 13 ⋅3973469.

It is a cyclic number.

It is not a de Polignac number, because 79055615 - 2⁸ = 79055359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7905557 + ... + 7905566.

It is an arithmetic number, because the mean of its divisors is an integer number (23716686).

Almost surely, 2^79055615 is an apocalyptic number.

79055615 is a deficient number, since it is larger than the sum of its proper divisors (15811129).

79055615 is a wasteful number, since it uses less digits than its factorization.

79055615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15811128.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 79055615 is about 8891.3224550682. The cubic root of 79055615 is about 429.1847089953.

The spelling of 79055615 in words is "seventy-nine million, fifty-five thousand, six hundred fifteen".