117893881609 has 16 divisors (see below), whose sum is σ = 139178275840. Its totient is φ = 97724594880.

The previous prime is 117893881601. The next prime is 117893881613. The reversal of 117893881609 is 906188398711.

It is a cyclic number.

It is not a de Polignac number, because 117893881609 - 2³ = 117893881601 is a prime.

It is a super-3 number, since 3×117893881609³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117893881601) 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, 128347 + ... + 502255.

It is an arithmetic number, because the mean of its divisors is an integer number (8698642240).

Almost surely, 2^117893881609 is an apocalyptic number.

It is an amenable number.

117893881609 is a deficient number, since it is larger than the sum of its proper divisors (21284394231).

117893881609 is a wasteful number, since it uses less digits than its factorization.

117893881609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375400.

The product of its (nonzero) digits is 5225472, while the sum is 61.

The spelling of 117893881609 in words is "one hundred seventeen billion, eight hundred ninety-three million, eight hundred eighty-one thousand, six hundred nine".