979996995 has 64 divisors (see below), whose sum is σ = 1824445440. Its totient is φ = 498161664.

The previous prime is 979996987. The next prime is 979996999. The reversal of 979996995 is 599699979.

It is not a de Polignac number, because 979996995 - 2³ = 979996987 is a prime.

It is a super-2 number, since 2×979996995² = 1920788220418060050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (979996999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1698147 + ... + 1698723.

It is an arithmetic number, because the mean of its divisors is an integer number (28506960).

Almost surely, 2^979996995 is an apocalyptic number.

979996995 is a deficient number, since it is larger than the sum of its proper divisors (844448445).

979996995 is a wasteful number, since it uses less digits than its factorization.

979996995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1155 counting only the distinct ones).

The product of its digits is 111602610, while the sum is 72.

The square root of 979996995 is about 31304.9036893583. The cubic root of 979996995 is about 993.2873731294.

The spelling of 979996995 in words is "nine hundred seventy-nine million, nine hundred ninety-six thousand, nine hundred ninety-five".