117520680 has 128 divisors (see below), whose sum is σ = 366612480. Its totient is φ = 30117120.

The previous prime is 117520657. The next prime is 117520693. The reversal of 117520680 is 86025711.

It is a super-2 number, since 2×117520680² = 27622220455324800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 377725 + ... + 378035.

It is an arithmetic number, because the mean of its divisors is an integer number (2864160).

Almost surely, 2^117520680 is an apocalyptic number.

117520680 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 117520680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183306240).

117520680 is an abundant number, since it is smaller than the sum of its proper divisors (249091800).

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

117520680 is a wasteful number, since it uses less digits than its factorization.

117520680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 117520680 is about 10840.6955496407. The cubic root of 117520680 is about 489.8217871980.

The spelling of 117520680 in words is "one hundred seventeen million, five hundred twenty thousand, six hundred eighty".