115979970 has 32 divisors (see below), whose sum is σ = 278774208. Its totient is φ = 30881088.

The previous prime is 115979951. The next prime is 115979989. The reversal of 115979970 is 79979511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (115979951) and next prime (115979989).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20157 + ... + 25263.

It is an arithmetic number, because the mean of its divisors is an integer number (8711694).

Almost surely, 2^115979970 is an apocalyptic number.

115979970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115979970 is an abundant number, since it is smaller than the sum of its proper divisors (162794238).

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

115979970 is a wasteful number, since it uses less digits than its factorization.

115979970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 178605, while the sum is 48.

The square root of 115979970 is about 10769.3997047189. The cubic root of 115979970 is about 487.6718237187.

The spelling of 115979970 in words is "one hundred fifteen million, nine hundred seventy-nine thousand, nine hundred seventy".