117817365393 has 48 divisors (see below), whose sum is σ = 209902283136. Its totient is φ = 62012148480.

The previous prime is 117817365389. The next prime is 117817365401. The reversal of 117817365393 is 393563718711.

117817365393 is a `hidden beast` number, since 1 + 1 + 78 + 1 + 7 + 36 + 539 + 3 = 666.

It is not a de Polignac number, because 117817365393 - 2² = 117817365389 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117817365343) 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, 228453 + ... + 536493.

It is an arithmetic number, because the mean of its divisors is an integer number (4372964232).

Almost surely, 2^117817365393 is an apocalyptic number.

117817365393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

117817365393 is a deficient number, since it is larger than the sum of its proper divisors (92084917743).

117817365393 is a wasteful number, since it uses less digits than its factorization.

117817365393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308534 (or 308531 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The spelling of 117817365393 in words is "one hundred seventeen billion, eight hundred seventeen million, three hundred sixty-five thousand, three hundred ninety-three".