117181008 has 120 divisors (see below), whose sum is σ = 378832896. Its totient is φ = 33120000.

The previous prime is 117181007. The next prime is 117181073. The reversal of 117181008 is 800181711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117181007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101233 + ... + 102383.

Almost surely, 2^117181008 is an apocalyptic number.

117181008 is a gapful number since it is divisible by the number (18) 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 117181008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189416448).

117181008 is an abundant number, since it is smaller than the sum of its proper divisors (261651888).

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

117181008 is a wasteful number, since it uses less digits than its factorization.

117181008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 27.

The square root of 117181008 is about 10825.0176905167. The cubic root of 117181008 is about 489.3494184208.

The spelling of 117181008 in words is "one hundred seventeen million, one hundred eighty-one thousand, eight".