117231680 has 56 divisors (see below), whose sum is σ = 281802840. Its totient is φ = 46448640.

The previous prime is 117231679. The next prime is 117231683. The reversal of 117231680 is 86132711.

It can be written as a sum of positive squares in 4 ways, for example, as 32444416 + 84787264 = 5696^2 + 9208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117231683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33200 + ... + 36560.

Almost surely, 2^117231680 is an apocalyptic number.

117231680 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 117231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140901420).

117231680 is an abundant number, since it is smaller than the sum of its proper divisors (164571160).

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

117231680 is a wasteful number, since it uses less digits than its factorization.

117231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 117231680 is about 10827.3579418065. The cubic root of 117231680 is about 489.4199439005.

The spelling of 117231680 in words is "one hundred seventeen million, two hundred thirty-one thousand, six hundred eighty".