115880564 has 12 divisors (see below), whose sum is σ = 203374500. Its totient is φ = 57773568.

The previous prime is 115880561. The next prime is 115880593. The reversal of 115880564 is 465088511.

It can be written as a sum of positive squares in 2 ways, for example, as 78180964 + 37699600 = 8842^2 + 6140^2 .

It is a super-2 number, since 2×115880564² = 26856610225916192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115880561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40109 + ... + 42900.

It is an arithmetic number, because the mean of its divisors is an integer number (16947875).

Almost surely, 2^115880564 is an apocalyptic number.

It is an amenable number.

115880564 is a deficient number, since it is larger than the sum of its proper divisors (87493936).

115880564 is a wasteful number, since it uses less digits than its factorization.

115880564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83362 (or 83360 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 115880564 is about 10764.7835092026. The cubic root of 115880564 is about 487.5324566600.

The spelling of 115880564 in words is "one hundred fifteen million, eight hundred eighty thousand, five hundred sixty-four".