79590117 has 4 divisors (see below), whose sum is σ = 106120160. Its totient is φ = 53060076.

The previous prime is 79590109. The next prime is 79590127. The reversal of 79590117 is 71109597.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 79590117 - 2³ = 79590109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79590127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13265017 + ... + 13265022.

It is an arithmetic number, because the mean of its divisors is an integer number (26530040).

Almost surely, 2^79590117 is an apocalyptic number.

It is an amenable number.

79590117 is a deficient number, since it is larger than the sum of its proper divisors (26530043).

79590117 is a wasteful number, since it uses less digits than its factorization.

79590117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26530042.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 79590117 is about 8921.3293291975. The cubic root of 79590117 is about 430.1497891710.

The spelling of 79590117 in words is "seventy-nine million, five hundred ninety thousand, one hundred seventeen".