117956707828 has 24 divisors (see below), whose sum is σ = 207244637600. Its totient is φ = 58744230048.

The previous prime is 117956707811. The next prime is 117956707853. The reversal of 117956707828 is 828707659711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721203 + ... + 1788421.

Almost surely, 2^117956707828 is an apocalyptic number.

It is an amenable number.

117956707828 is a deficient number, since it is larger than the sum of its proper divisors (89287929772).

117956707828 is a wasteful number, since it uses less digits than its factorization.

117956707828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68959 (or 68957 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 61.

The spelling of 117956707828 in words is "one hundred seventeen billion, nine hundred fifty-six million, seven hundred seven thousand, eight hundred twenty-eight".