117595666989 has 24 divisors (see below), whose sum is σ = 178856240160. Its totient is φ = 74247764832.

The previous prime is 117595666973. The next prime is 117595667011. The reversal of 117595666989 is 989666595711.

It is not a de Polignac number, because 117595666989 - 2⁴ = 117595666973 is a prime.

It is a super-3 number, since 3×117595666989³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117595666919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450562 + ... + 661964.

It is an arithmetic number, because the mean of its divisors is an integer number (7452343340).

Almost surely, 2^117595666989 is an apocalyptic number.

117595666989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117595666989 is a deficient number, since it is larger than the sum of its proper divisors (61260573171).

117595666989 is a wasteful number, since it uses less digits than its factorization.

117595666989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214681 (or 214678 counting only the distinct ones).

The product of its digits is 220449600, while the sum is 72.

The spelling of 117595666989 in words is "one hundred seventeen billion, five hundred ninety-five million, six hundred sixty-six thousand, nine hundred eighty-nine".