115887331 has 8 divisors (see below), whose sum is σ = 136715264. Its totient is φ = 96127560.

The previous prime is 115887259. The next prime is 115887347. The reversal of 115887331 is 133788511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115887331 - 2²¹ = 113790179 is a prime.

It is a super-2 number, since 2×115887331² = 26859746972607122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115887371) 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, 266805 + ... + 267238.

It is an arithmetic number, because the mean of its divisors is an integer number (17089408).

Almost surely, 2^115887331 is an apocalyptic number.

115887331 is a deficient number, since it is larger than the sum of its proper divisors (20827933).

115887331 is an equidigital number, since it uses as much as digits as its factorization.

115887331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534081.

The product of its digits is 20160, while the sum is 37.

The square root of 115887331 is about 10765.0978165551. The cubic root of 115887331 is about 487.5419465112.

The spelling of 115887331 in words is "one hundred fifteen million, eight hundred eighty-seven thousand, three hundred thirty-one".