115287856 has 40 divisors (see below), whose sum is σ = 231123600. Its totient is φ = 55666944.

The previous prime is 115287833. The next prime is 115287857. The reversal of 115287856 is 658782511.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (115287857) 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, 87555 + ... + 88861.

It is an arithmetic number, because the mean of its divisors is an integer number (5778090).

Almost surely, 2^115287856 is an apocalyptic number.

115287856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115287856 is an abundant number, since it is smaller than the sum of its proper divisors (115835744).

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

115287856 is a wasteful number, since it uses less digits than its factorization.

115287856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1495 counting only the distinct ones).

The product of its digits is 134400, while the sum is 43.

The square root of 115287856 is about 10737.2182617287. The cubic root of 115287856 is about 486.6998221818.

The spelling of 115287856 in words is "one hundred fifteen million, two hundred eighty-seven thousand, eight hundred fifty-six".