115863668 has 6 divisors (see below), whose sum is σ = 202761426. Its totient is φ = 57931832.

The previous prime is 115863641. The next prime is 115863679. The reversal of 115863668 is 866368511.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 27164944 = 9418^2 + 5212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14482955 + ... + 14482962.

It is an arithmetic number, because the mean of its divisors is an integer number (33793571).

Almost surely, 2^115863668 is an apocalyptic number.

It is an amenable number.

115863668 is a deficient number, since it is larger than the sum of its proper divisors (86897758).

115863668 is a wasteful number, since it uses less digits than its factorization.

115863668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28965921 (or 28965919 counting only the distinct ones).

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

The square root of 115863668 is about 10763.9986993682. The cubic root of 115863668 is about 487.5087605702.

The spelling of 115863668 in words is "one hundred fifteen million, eight hundred sixty-three thousand, six hundred sixty-eight".