117871960 has 16 divisors (see below), whose sum is σ = 265212000. Its totient is φ = 47148768.

The previous prime is 117871937. The next prime is 117871967. The reversal of 117871960 is 69178711.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2946799 = 117871960 / (1 + 1 + 7 + 8 + 7 + 1 + 9 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117871967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473360 + ... + 1473439.

It is an arithmetic number, because the mean of its divisors is an integer number (16575750).

Almost surely, 2^117871960 is an apocalyptic number.

117871960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117871960 is an abundant number, since it is smaller than the sum of its proper divisors (147340040).

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

117871960 is a wasteful number, since it uses less digits than its factorization.

117871960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946810 (or 2946806 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 40.

The square root of 117871960 is about 10856.8853728866. The cubic root of 117871960 is about 490.3093423603.

The spelling of 117871960 in words is "one hundred seventeen million, eight hundred seventy-one thousand, nine hundred sixty".