117578588640 has 96 divisors (see below), whose sum is σ = 371404776960. Its totient is φ = 31266906624.

The previous prime is 117578588609. The next prime is 117578588657. The reversal of 117578588640 is 46885875711.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168844 + ... + 513483.

It is an arithmetic number, because the mean of its divisors is an integer number (3868799760).

Almost surely, 2^117578588640 is an apocalyptic number.

117578588640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117578588640 is an abundant number, since it is smaller than the sum of its proper divisors (253826188320).

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

117578588640 is a wasteful number, since it uses less digits than its factorization.

117578588640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682704 (or 682696 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 60.

The spelling of 117578588640 in words is "one hundred seventeen billion, five hundred seventy-eight million, five hundred eighty-eight thousand, six hundred forty".