79090317 has 16 divisors (see below), whose sum is σ = 118778880. Its totient is φ = 52003296.

The previous prime is 79090289. The next prime is 79090321. The reversal of 79090317 is 71309097.

It is not a de Polignac number, because 79090317 - 2⁸ = 79090061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79090357) 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, 18093 + ... + 22034.

It is an arithmetic number, because the mean of its divisors is an integer number (7423680).

Almost surely, 2^79090317 is an apocalyptic number.

It is an amenable number.

79090317 is a deficient number, since it is larger than the sum of its proper divisors (39688563).

79090317 is a wasteful number, since it uses less digits than its factorization.

79090317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40209 (or 40203 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 79090317 is about 8893.2736942028. The cubic root of 79090317 is about 429.2474976582.

The spelling of 79090317 in words is "seventy-nine million, ninety thousand, three hundred seventeen".