117729258864 has 120 divisors (see below), whose sum is σ = 365988249360. Its totient is φ = 32477018112.

The previous prime is 117729258859. The next prime is 117729258883. The reversal of 117729258864 is 468852927711.

It is a junction number, because it is equal to n+sod(n) for n = 117729258798 and 117729258807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794809 + ... + 931224.

It is an arithmetic number, because the mean of its divisors is an integer number (3049902078).

Almost surely, 2^117729258864 is an apocalyptic number.

117729258864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

117729258864 is an abundant number, since it is smaller than the sum of its proper divisors (248258990496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117729258864 is a wasteful number, since it uses less digits than its factorization.

117729258864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726087 (or 1726074 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 60.

The spelling of 117729258864 in words is "one hundred seventeen billion, seven hundred twenty-nine million, two hundred fifty-eight thousand, eight hundred sixty-four".