117675618 has 16 divisors (see below), whose sum is σ = 239340960. Its totient is φ = 38560256.

The previous prime is 117675611. The next prime is 117675631. The reversal of 117675618 is 816576711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 117675618.

It is not an unprimeable number, because it can be changed into a prime (117675611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165855 + ... + 166562.

It is an arithmetic number, because the mean of its divisors is an integer number (14958810).

Almost surely, 2^117675618 is an apocalyptic number.

117675618 is an abundant number, since it is smaller than the sum of its proper divisors (121665342).

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

117675618 is a wasteful number, since it uses less digits than its factorization.

117675618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332481.

The product of its digits is 70560, while the sum is 42.

The square root of 117675618 is about 10847.8393240313. The cubic root of 117675618 is about 490.0369512603.

The spelling of 117675618 in words is "one hundred seventeen million, six hundred seventy-five thousand, six hundred eighteen".