117764886 has 8 divisors (see below), whose sum is σ = 235529784. Its totient is φ = 39254960.

The previous prime is 117764873. The next prime is 117764903. The reversal of 117764886 is 688467711.

It is a sphenic number, since it is the product of 3 distinct primes.

117764886 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 9813735 + ... + 9813746.

It is an arithmetic number, because the mean of its divisors is an integer number (29441223).

Almost surely, 2^117764886 is an apocalyptic number.

117764886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117764886 is a wasteful number, since it uses less digits than its factorization.

117764886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19627486.

The product of its digits is 451584, while the sum is 48.

The square root of 117764886 is about 10851.9530961021. The cubic root of 117764886 is about 490.1608329460.

The spelling of 117764886 in words is "one hundred seventeen million, seven hundred sixty-four thousand, eight hundred eighty-six".