117853920 has 96 divisors (see below), whose sum is σ = 412503840. Its totient is φ = 31426560.

The previous prime is 117853919. The next prime is 117854003. The reversal of 117853920 is 29358711.

117853920 is a `hidden beast` number, since 117 + 8 + 539 + 2 + 0 = 666.

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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9321 + ... + 17960.

It is an arithmetic number, because the mean of its divisors is an integer number (4296915).

Almost surely, 2^117853920 is an apocalyptic number.

117853920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117853920 is an abundant number, since it is smaller than the sum of its proper divisors (294649920).

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

117853920 is a wasteful number, since it uses less digits than its factorization.

117853920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27305 (or 27291 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 117853920 is about 10856.0545319190. The cubic root of 117853920 is about 490.2843275566.

The spelling of 117853920 in words is "one hundred seventeen million, eight hundred fifty-three thousand, nine hundred twenty".