115573888 has 32 divisors (see below), whose sum is σ = 243793260. Its totient is φ = 54386688.

The previous prime is 115573877. The next prime is 115573891. The reversal of 115573888 is 888375511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 113039424 + 2534464 = 10632^2 + 1592^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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, 24381 + ... + 28732.

Almost surely, 2^115573888 is an apocalyptic number.

It is an amenable number.

115573888 is an abundant number, since it is smaller than the sum of its proper divisors (128219372).

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

115573888 is an equidigital number, since it uses as much as digits as its factorization.

115573888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53144 (or 53132 counting only the distinct ones).

The product of its digits is 268800, while the sum is 46.

The square root of 115573888 is about 10750.5296613702. The cubic root of 115573888 is about 487.1019944995.

The spelling of 115573888 in words is "one hundred fifteen million, five hundred seventy-three thousand, eight hundred eighty-eight".