79117308 has 18 divisors (see below), whose sum is σ = 199991064. Its totient is φ = 26372424.

The previous prime is 79117279. The next prime is 79117321. The reversal of 79117308 is 80371197.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2197703 = 79117308 / (7 + 9 + 1 + 1 + 7 + 3 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1098816 + ... + 1098887.

Almost surely, 2^79117308 is an apocalyptic number.

It is an amenable number.

79117308 is an abundant number, since it is smaller than the sum of its proper divisors (120873756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79117308 is a wasteful number, since it uses less digits than its factorization.

79117308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197713 (or 2197708 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 79117308 is about 8894.7910599406. The cubic root of 79117308 is about 429.2963215933.

The spelling of 79117308 in words is "seventy-nine million, one hundred seventeen thousand, three hundred eight".