979017165 has 128 divisors (see below), whose sum is σ = 2125440000. Its totient is φ = 417374208.

The previous prime is 979017157. The next prime is 979017227. The reversal of 979017165 is 561710979.

It is not a de Polignac number, because 979017165 - 2³ = 979017157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 979017165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2393481 + ... + 2393889.

It is an arithmetic number, because the mean of its divisors is an integer number (16605000).

Almost surely, 2^979017165 is an apocalyptic number.

979017165 is the 15645-th decagonal number.

It is an amenable number.

979017165 is an abundant number, since it is smaller than the sum of its proper divisors (1146422835).

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

979017165 is a wasteful number, since it uses less digits than its factorization.

979017165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 45.

The square root of 979017165 is about 31289.2499910113. The cubic root of 979017165 is about 992.9562233693.

The spelling of 979017165 in words is "nine hundred seventy-nine million, seventeen thousand, one hundred sixty-five".