979995715 has 8 divisors (see below), whose sum is σ = 1213930368. Its totient is φ = 758706240.

The previous prime is 979995713. The next prime is 979995733. The reversal of 979995715 is 517599979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 979995715 - 2¹ = 979995713 is a prime.

It is a super-2 number, since 2×979995715² = 1920783202836722450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (979995713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3161122 + ... + 3161431.

It is an arithmetic number, because the mean of its divisors is an integer number (151741296).

Almost surely, 2^979995715 is an apocalyptic number.

979995715 is a deficient number, since it is larger than the sum of its proper divisors (233934653).

979995715 is a wasteful number, since it uses less digits than its factorization.

979995715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322589.

The product of its digits is 8037225, while the sum is 61.

The square root of 979995715 is about 31304.8832452702. The cubic root of 979995715 is about 993.2869406762.

The spelling of 979995715 in words is "nine hundred seventy-nine million, nine hundred ninety-five thousand, seven hundred fifteen".