117766320 has 80 divisors (see below), whose sum is σ = 417235200. Its totient is φ = 26917632.

The previous prime is 117766307. The next prime is 117766331. The reversal of 117766320 is 23667711.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×117766320² = 27737812252684800, which contains 22 as substring.

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, 33370 + ... + 36729.

It is an arithmetic number, because the mean of its divisors is an integer number (5215440).

Almost surely, 2^117766320 is an apocalyptic number.

117766320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117766320 is an abundant number, since it is smaller than the sum of its proper divisors (299468880).

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

117766320 is a wasteful number, since it uses less digits than its factorization.

117766320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70122 (or 70116 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 117766320 is about 10852.0191669569. The cubic root of 117766320 is about 490.1628224688.

The spelling of 117766320 in words is "one hundred seventeen million, seven hundred sixty-six thousand, three hundred twenty".