115396780 has 24 divisors (see below), whose sum is σ = 245953008. Its totient is φ = 45469248.

The previous prime is 115396769. The next prime is 115396789. The reversal of 115396780 is 87693511.

It is not an unprimeable number, because it can be changed into a prime (115396789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41719 + ... + 44398.

It is an arithmetic number, because the mean of its divisors is an integer number (10248042).

Almost surely, 2^115396780 is an apocalyptic number.

115396780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115396780 is an abundant number, since it is smaller than the sum of its proper divisors (130556228).

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

115396780 is a wasteful number, since it uses less digits than its factorization.

115396780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86193 (or 86191 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 115396780 is about 10742.2893276992. The cubic root of 115396780 is about 486.8530519795.

The spelling of 115396780 in words is "one hundred fifteen million, three hundred ninety-six thousand, seven hundred eighty".