117992064 has 64 divisors (see below), whose sum is σ = 316404000. Its totient is φ = 38956032.

The previous prime is 117992059. The next prime is 117992081. The reversal of 117992064 is 460299711.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40447 + ... + 43265.

Almost surely, 2^117992064 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 117992064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158202000).

117992064 is an abundant number, since it is smaller than the sum of its proper divisors (198411936).

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

117992064 is a wasteful number, since it uses less digits than its factorization.

117992064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 117992064 is about 10862.4152010499. The cubic root of 117992064 is about 490.4758171337.

The spelling of 117992064 in words is "one hundred seventeen million, nine hundred ninety-two thousand, sixty-four".