115077312 has 84 divisors (see below), whose sum is σ = 376982736. Its totient is φ = 32878080.

The previous prime is 115077311. The next prime is 115077337. The reversal of 115077312 is 213770511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (115077311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10239 + ... + 18302.

Almost surely, 2^115077312 is an apocalyptic number.

115077312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115077312 is an abundant number, since it is smaller than the sum of its proper divisors (261905424).

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

115077312 is a wasteful number, since it uses less digits than its factorization.

115077312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28566 (or 28553 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 115077312 is about 10727.4093797151. The cubic root of 115077312 is about 486.4033637521.

The spelling of 115077312 in words is "one hundred fifteen million, seventy-seven thousand, three hundred twelve".