117871116 has 48 divisors (see below), whose sum is σ = 300706560. Its totient is φ = 35638720.

The previous prime is 117871111. The next prime is 117871123. The reversal of 117871116 is 611178711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (117871111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88705 + ... + 90023.

It is an arithmetic number, because the mean of its divisors is an integer number (6264720).

Almost surely, 2^117871116 is an apocalyptic number.

It is an amenable number.

117871116 is an abundant number, since it is smaller than the sum of its proper divisors (182835444).

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

117871116 is a wasteful number, since it uses less digits than its factorization.

117871116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014 (or 2012 counting only the distinct ones).

The product of its digits is 2352, while the sum is 33.

The square root of 117871116 is about 10856.8465034742. The cubic root of 117871116 is about 490.3081721016.

The spelling of 117871116 in words is "one hundred seventeen million, eight hundred seventy-one thousand, one hundred sixteen".