117687852 has 36 divisors (see below), whose sum is σ = 299842816. Its totient is φ = 38918880.

The previous prime is 117687847. The next prime is 117687853. The reversal of 117687852 is 258786711.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 117687798 and 117687807.

It is not an unprimeable number, because it can be changed into a prime (117687853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8299 + ... + 17442.

Almost surely, 2^117687852 is an apocalyptic number.

117687852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117687852 is an abundant number, since it is smaller than the sum of its proper divisors (182154964).

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

117687852 is a wasteful number, since it uses less digits than its factorization.

117687852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25878 (or 25873 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 117687852 is about 10848.4032004715. The cubic root of 117687852 is about 490.0539327003.

The spelling of 117687852 in words is "one hundred seventeen million, six hundred eighty-seven thousand, eight hundred fifty-two".