115087992 has 16 divisors (see below), whose sum is σ = 287720040. Its totient is φ = 38362656.

The previous prime is 115087967. The next prime is 115088033. The reversal of 115087992 is 299780511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2397643 + ... + 2397690.

Almost surely, 2^115087992 is an apocalyptic number.

115087992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115087992 is an abundant number, since it is smaller than the sum of its proper divisors (172632048).

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

115087992 is a wasteful number, since it uses less digits than its factorization.

115087992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795342 (or 4795338 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 115087992 is about 10727.9071584350. The cubic root of 115087992 is about 486.4184105270.

The spelling of 115087992 in words is "one hundred fifteen million, eighty-seven thousand, nine hundred ninety-two".