117180609 has 48 divisors (see below), whose sum is σ = 207301248. Its totient is φ = 58157568.

The previous prime is 117180599. The next prime is 117180611. The reversal of 117180609 is 906081711.

It is not a de Polignac number, because 117180609 - 2⁵ = 117180577 is a prime.

It is a super-2 number, since 2×117180609² = 27462590251221762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117180609.

It is not an unprimeable number, because it can be changed into a prime (117180689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30684 + ... + 34290.

It is an arithmetic number, because the mean of its divisors is an integer number (4318776).

Almost surely, 2^117180609 is an apocalyptic number.

It is an amenable number.

117180609 is a deficient number, since it is larger than the sum of its proper divisors (90120639).

117180609 is a wasteful number, since it uses less digits than its factorization.

117180609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3647 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 117180609 is about 10824.9992609700. Note that the first 3 decimals coincide. The cubic root of 117180609 is about 489.3488630104.

The spelling of 117180609 in words is "one hundred seventeen million, one hundred eighty thousand, six hundred nine".