116888865 has 16 divisors (see below), whose sum is σ = 187339200. Its totient is φ = 62235072.

The previous prime is 116888857. The next prime is 116888867. The reversal of 116888865 is 568888611.

It is not a de Polignac number, because 116888865 - 2³ = 116888857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116888867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2991 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (11708700).

Almost surely, 2^116888865 is an apocalyptic number.

116888865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116888865 is a deficient number, since it is larger than the sum of its proper divisors (70450335).

116888865 is a wasteful number, since it uses less digits than its factorization.

116888865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13216.

The product of its digits is 737280, while the sum is 51.

The square root of 116888865 is about 10811.5153886955. The cubic root of 116888865 is about 488.9424156747.

The spelling of 116888865 in words is "one hundred sixteen million, eight hundred eighty-eight thousand, eight hundred sixty-five".