117427436856 has 128 divisors (see below), whose sum is σ = 329460096000. Its totient is φ = 38751353856.

The previous prime is 117427436827. The next prime is 117427436881. The reversal of 117427436856 is 658634724711.

117427436856 is a `hidden beast` number, since 1 + 1 + 7 + 4 + 274 + 368 + 5 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11013480 + ... + 11024136.

It is an arithmetic number, because the mean of its divisors is an integer number (2573907000).

Almost surely, 2^117427436856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117427436856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164730048000).

117427436856 is an abundant number, since it is smaller than the sum of its proper divisors (212032659144).

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

117427436856 is a wasteful number, since it uses less digits than its factorization.

117427436856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178 (or 11168 counting only the distinct ones).

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

The spelling of 117427436856 in words is "one hundred seventeen billion, four hundred twenty-seven million, four hundred thirty-six thousand, eight hundred fifty-six".