117894013920 has 192 divisors, whose sum is σ = 412806723840. Its totient is φ = 31424868864.

The previous prime is 117894013907. The next prime is 117894013999. The reversal of 117894013920 is 29310498711.

117894013920 is a `hidden beast` number, since 1 + 178 + 94 + 0 + 1 + 392 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13763559 + ... + 13772121.

It is an arithmetic number, because the mean of its divisors is an integer number (2150035020).

Almost surely, 2^117894013920 is an apocalyptic number.

117894013920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117894013920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206403361920).

117894013920 is an abundant number, since it is smaller than the sum of its proper divisors (294912709920).

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

117894013920 is a wasteful number, since it uses less digits than its factorization.

117894013920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774 (or 11760 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 117894013920 in words is "one hundred seventeen billion, eight hundred ninety-four million, thirteen thousand, nine hundred twenty".