117344566728 has 64 divisors (see below), whose sum is σ = 326121552000. Its totient is φ = 39095125056.

The previous prime is 117344566721. The next prime is 117344566739. The reversal of 117344566728 is 827665443711.

117344566728 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 4 + 4 + 566 + 72 + 8 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (117344566721) 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, 295333 + ... + 567371.

It is an arithmetic number, because the mean of its divisors is an integer number (5095649250).

Almost surely, 2^117344566728 is an apocalyptic number.

117344566728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

117344566728 is an abundant number, since it is smaller than the sum of its proper divisors (208776985272).

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

117344566728 is a wasteful number, since it uses less digits than its factorization.

117344566728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274051 (or 274041 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 117344566728 in words is "one hundred seventeen billion, three hundred forty-four million, five hundred sixty-six thousand, seven hundred twenty-eight".