115969866 has 16 divisors (see below), whose sum is σ = 233993664. Its totient is φ = 38314304.

The previous prime is 115969859. The next prime is 115969871. The reversal of 115969866 is 668969511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84846 + ... + 86201.

It is an arithmetic number, because the mean of its divisors is an integer number (14624604).

Almost surely, 2^115969866 is an apocalyptic number.

115969866 is an abundant number, since it is smaller than the sum of its proper divisors (118023798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115969866 is a wasteful number, since it uses less digits than its factorization.

115969866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171165.

The product of its digits is 699840, while the sum is 51.

The square root of 115969866 is about 10768.9305875746. The cubic root of 115969866 is about 487.6576615630.

The spelling of 115969866 in words is "one hundred fifteen million, nine hundred sixty-nine thousand, eight hundred sixty-six".