115664870 has 16 divisors (see below), whose sum is σ = 208629648. Its totient is φ = 46169760.

The previous prime is 115664863. The next prime is 115664873. The reversal of 115664870 is 78466511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115664873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6869 + ... + 16688.

It is an arithmetic number, because the mean of its divisors is an integer number (13039353).

Almost surely, 2^115664870 is an apocalyptic number.

115664870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115664870 is a deficient number, since it is larger than the sum of its proper divisors (92964778).

115664870 is a wasteful number, since it uses less digits than its factorization.

115664870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24055.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 115664870 is about 10754.7603413558. The cubic root of 115664870 is about 487.2297796775.

The spelling of 115664870 in words is "one hundred fifteen million, six hundred sixty-four thousand, eight hundred seventy".