117218880 has 112 divisors (see below), whose sum is σ = 413552640. Its totient is φ = 31256064.

The previous prime is 117218873. The next prime is 117218891. The reversal of 117218880 is 88812711.

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

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, 1857 + ... + 15423.

Almost surely, 2^117218880 is an apocalyptic number.

117218880 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 117218880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206776320).

117218880 is an abundant number, since it is smaller than the sum of its proper divisors (296333760).

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

117218880 is a wasteful number, since it uses less digits than its factorization.

117218880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13593 (or 13577 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 36.

The square root of 117218880 is about 10826.7668304069. The cubic root of 117218880 is about 489.4021307311.

The spelling of 117218880 in words is "one hundred seventeen million, two hundred eighteen thousand, eight hundred eighty".