79317339 has 4 divisors (see below), whose sum is σ = 105756456. Its totient is φ = 52878224.

The previous prime is 79317323. The next prime is 79317353. The reversal of 79317339 is 93371397.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79317339 - 2⁴ = 79317323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79317339.

It is not an unprimeable number, because it can be changed into a prime (79317379) 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, 13219554 + ... + 13219559.

It is an arithmetic number, because the mean of its divisors is an integer number (26439114).

Almost surely, 2^79317339 is an apocalyptic number.

79317339 is a deficient number, since it is larger than the sum of its proper divisors (26439117).

79317339 is a wasteful number, since it uses less digits than its factorization.

79317339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26439116.

The product of its digits is 107163, while the sum is 42.

The square root of 79317339 is about 8906.0282393444. The cubic root of 79317339 is about 429.6578114117.

The spelling of 79317339 in words is "seventy-nine million, three hundred seventeen thousand, three hundred thirty-nine".