115663886 has 32 divisors (see below), whose sum is σ = 199257408. Its totient is φ = 49881600.

The previous prime is 115663879. The next prime is 115663907. The reversal of 115663886 is 688366511.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 65876 + ... + 67608.

It is an arithmetic number, because the mean of its divisors is an integer number (6226794).

Almost surely, 2^115663886 is an apocalyptic number.

115663886 is a deficient number, since it is larger than the sum of its proper divisors (83593522).

115663886 is a wasteful number, since it uses less digits than its factorization.

115663886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916.

The product of its digits is 207360, while the sum is 44.

The square root of 115663886 is about 10754.7145940745. The cubic root of 115663886 is about 487.2283979976.

The spelling of 115663886 in words is "one hundred fifteen million, six hundred sixty-three thousand, eight hundred eighty-six".