117888774 has 32 divisors (see below), whose sum is σ = 239159520. Its totient is φ = 38737152.

The previous prime is 117888763. The next prime is 117888781. The reversal of 117888774 is 477888711.

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, 141792 + ... + 142620.

It is an arithmetic number, because the mean of its divisors is an integer number (7473735).

Almost surely, 2^117888774 is an apocalyptic number.

117888774 is an abundant number, since it is smaller than the sum of its proper divisors (121270746).

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

117888774 is a wasteful number, since it uses less digits than its factorization.

117888774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its digits is 702464, while the sum is 51.

The square root of 117888774 is about 10857.6596925857. The cubic root of 117888774 is about 490.3326548578.

The spelling of 117888774 in words is "one hundred seventeen million, eight hundred eighty-eight thousand, seven hundred seventy-four".