117917976 has 64 divisors (see below), whose sum is σ = 324218880. Its totient is φ = 35441280.

The previous prime is 117917957. The next prime is 117917981. The reversal of 117917976 is 679719711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31770 + ... + 35286.

It is an arithmetic number, because the mean of its divisors is an integer number (5065920).

Almost surely, 2^117917976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117917976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162109440).

117917976 is an abundant number, since it is smaller than the sum of its proper divisors (206300904).

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

117917976 is a wasteful number, since it uses less digits than its factorization.

117917976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3660 counting only the distinct ones).

The product of its digits is 166698, while the sum is 48.

The square root of 117917976 is about 10859.0043742509. The cubic root of 117917976 is about 490.3731379663.

The spelling of 117917976 in words is "one hundred seventeen million, nine hundred seventeen thousand, nine hundred seventy-six".