115988487 has 16 divisors (see below), whose sum is σ = 160595040. Its totient is φ = 74374272.

The previous prime is 115988479. The next prime is 115988489. The reversal of 115988487 is 784889511.

It is a happy number.

It is not a de Polignac number, because 115988487 - 2³ = 115988479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115988489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21693 + ... + 26505.

It is an arithmetic number, because the mean of its divisors is an integer number (10037190).

Almost surely, 2^115988487 is an apocalyptic number.

115988487 is a deficient number, since it is larger than the sum of its proper divisors (44606553).

115988487 is a wasteful number, since it uses less digits than its factorization.

115988487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122.

The product of its digits is 645120, while the sum is 51.

The square root of 115988487 is about 10769.7951233995. The cubic root of 115988487 is about 487.6837608353.

The spelling of 115988487 in words is "one hundred fifteen million, nine hundred eighty-eight thousand, four hundred eighty-seven".