117856874286 has 64 divisors (see below), whose sum is σ = 262562952960. Its totient is φ = 39186957600.

The previous prime is 117856874257. The next prime is 117856874323. The reversal of 117856874286 is 682478658711.

It is a happy number.

117856874286 is a `hidden beast` number, since 11 + 78 + 56 + 87 + 428 + 6 = 666.

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, 59312985 + ... + 59314971.

It is an arithmetic number, because the mean of its divisors is an integer number (4102546140).

Almost surely, 2^117856874286 is an apocalyptic number.

117856874286 is an abundant number, since it is smaller than the sum of its proper divisors (144706078674).

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

117856874286 is a wasteful number, since it uses less digits than its factorization.

117856874286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206 (or 4200 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 63.

The spelling of 117856874286 in words is "one hundred seventeen billion, eight hundred fifty-six million, eight hundred seventy-four thousand, two hundred eighty-six".