115378992 has 100 divisors (see below), whose sum is σ = 337049856. Its totient is φ = 38102400.

The previous prime is 115378979. The next prime is 115379009. The reversal of 115378992 is 299873511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 164242 + ... + 164942.

Almost surely, 2^115378992 is an apocalyptic number.

115378992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115378992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168524928).

115378992 is an abundant number, since it is smaller than the sum of its proper divisors (221670864).

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

115378992 is a wasteful number, since it uses less digits than its factorization.

115378992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 833 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 115378992 is about 10741.4613530934. The cubic root of 115378992 is about 486.8280351430.

The spelling of 115378992 in words is "one hundred fifteen million, three hundred seventy-eight thousand, nine hundred ninety-two".