979990113 has 16 divisors (see below), whose sum is σ = 1379416320. Its totient is φ = 617144976.

The previous prime is 979990097. The next prime is 979990147. The reversal of 979990113 is 311099979.

It is not a de Polignac number, because 979990113 - 2⁴ = 979990097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979990153) 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, 4995 + ... + 44552.

It is an arithmetic number, because the mean of its divisors is an integer number (86213520).

Almost surely, 2^979990113 is an apocalyptic number.

It is an amenable number.

979990113 is a deficient number, since it is larger than the sum of its proper divisors (399426207).

979990113 is a wasteful number, since it uses less digits than its factorization.

979990113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49916.

The product of its (nonzero) digits is 137781, while the sum is 48.

The square root of 979990113 is about 31304.7937702838. The cubic root of 979990113 is about 993.2850480135.

The spelling of 979990113 in words is "nine hundred seventy-nine million, nine hundred ninety thousand, one hundred thirteen".