117345817772 has 18 divisors (see below), whose sum is σ = 208465962012. Its totient is φ = 57797184984.

The previous prime is 117345817763. The next prime is 117345817777. The reversal of 117345817772 is 277718543711.

It is not an unprimeable number, because it can be changed into a prime (117345817777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3249638 + ... + 3285549.

It is an arithmetic number, because the mean of its divisors is an integer number (11581442334).

Almost surely, 2^117345817772 is an apocalyptic number.

It is an amenable number.

117345817772 is a deficient number, since it is larger than the sum of its proper divisors (91120144240).

117345817772 is an equidigital number, since it uses as much as digits as its factorization.

117345817772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535325 (or 6535256 counting only the distinct ones).

The product of its digits is 2304960, while the sum is 53.

The spelling of 117345817772 in words is "one hundred seventeen billion, three hundred forty-five million, eight hundred seventeen thousand, seven hundred seventy-two".