117959205789 has 12 divisors (see below), whose sum is σ = 170389286496. Its totient is φ = 78637731912.

The previous prime is 117959205773. The next prime is 117959205799. The reversal of 117959205789 is 987502959711.

117959205789 is a `hidden beast` number, since 1 + 1 + 7 + 9 + 59 + 2 + 0 + 578 + 9 = 666.

It is not a de Polignac number, because 117959205789 - 2⁴ = 117959205773 is a prime.

It is a super-2 number, since 2×117959205789² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117959205799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387942 + ... + 621624.

It is an arithmetic number, because the mean of its divisors is an integer number (14199107208).

Almost surely, 2^117959205789 is an apocalyptic number.

It is an amenable number.

117959205789 is a deficient number, since it is larger than the sum of its proper divisors (52430080707).

117959205789 is a wasteful number, since it uses less digits than its factorization.

117959205789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289776 (or 289773 counting only the distinct ones).

The product of its (nonzero) digits is 14288400, while the sum is 63.

The spelling of 117959205789 in words is "one hundred seventeen billion, nine hundred fifty-nine million, two hundred five thousand, seven hundred eighty-nine".