117884720 has 40 divisors (see below), whose sum is σ = 279263376. Its totient is φ = 46262528.

The previous prime is 117884659. The next prime is 117884731. The reversal of 117884720 is 27488711.

It is a tau number, because it is divible by the number of its divisors (40).

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, 9662 + ... + 18141.

Almost surely, 2^117884720 is an apocalyptic number.

117884720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117884720 is an abundant number, since it is smaller than the sum of its proper divisors (161378656).

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

117884720 is a wasteful number, since it uses less digits than its factorization.

117884720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27869 (or 27863 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 38.

The square root of 117884720 is about 10857.4730024992. The cubic root of 117884720 is about 490.3270342170.

The spelling of 117884720 in words is "one hundred seventeen million, eight hundred eighty-four thousand, seven hundred twenty".