115904789 has 32 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 82368000.

The previous prime is 115904783. The next prime is 115904809. The reversal of 115904789 is 987409511.

It is not a de Polignac number, because 115904789 - 2⁸ = 115904533 is a prime.

It is a super-2 number, since 2×115904789² = 26867840226269042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115904783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88439 + ... + 89739.

It is an arithmetic number, because the mean of its divisors is an integer number (4921560).

Almost surely, 2^115904789 is an apocalyptic number.

It is an amenable number.

115904789 is a deficient number, since it is larger than the sum of its proper divisors (41585131).

115904789 is a wasteful number, since it uses less digits than its factorization.

115904789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 115904789 is about 10765.9086472067. The cubic root of 115904789 is about 487.5664274153.

The spelling of 115904789 in words is "one hundred fifteen million, nine hundred four thousand, seven hundred eighty-nine".