117256464 has 80 divisors (see below), whose sum is σ = 362476800. Its totient is φ = 36077184.

The previous prime is 117256439. The next prime is 117256471. The reversal of 117256464 is 464652711.

117256464 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 5 + 646 + 4 = 666.

It is a super-3 number, since 3×117256464³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4824 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (4530960).

Almost surely, 2^117256464 is an apocalyptic number.

It is an amenable number.

117256464 is an abundant number, since it is smaller than the sum of its proper divisors (245220336).

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

117256464 is a wasteful number, since it uses less digits than its factorization.

117256464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20909 (or 20897 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 117256464 is about 10828.5023895274. The cubic root of 117256464 is about 489.4544309640.

The spelling of 117256464 in words is "one hundred seventeen million, two hundred fifty-six thousand, four hundred sixty-four".