117868625 has 16 divisors (see below), whose sum is σ = 168115584. Its totient is φ = 80823600.

The previous prime is 117868579. The next prime is 117868627. The reversal of 117868625 is 526868711.

It is a happy number.

It is not a de Polignac number, because 117868625 - 2⁶ = 117868561 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (117868627) 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, 66479 + ... + 68228.

It is an arithmetic number, because the mean of its divisors is an integer number (10507224).

Almost surely, 2^117868625 is an apocalyptic number.

It is an amenable number.

117868625 is a deficient number, since it is larger than the sum of its proper divisors (50246959).

117868625 is an equidigital number, since it uses as much as digits as its factorization.

117868625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134729 (or 134719 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 117868625 is about 10856.7317826315. The cubic root of 117868625 is about 490.3047181419.

It can be divided in two parts, 1178686 and 25, that added together give a palindrome (1178711).

The spelling of 117868625 in words is "one hundred seventeen million, eight hundred sixty-eight thousand, six hundred twenty-five".