117860672478 has 32 divisors (see below), whose sum is σ = 249637469184. Its totient is φ = 36968465792.

The previous prime is 117860672467. The next prime is 117860672507. The reversal of 117860672478 is 874276068711.

It is a super-2 number, since 2×117860672478² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405301 + ... + 632447.

It is an arithmetic number, because the mean of its divisors is an integer number (7801170912).

Almost surely, 2^117860672478 is an apocalyptic number.

117860672478 is an abundant number, since it is smaller than the sum of its proper divisors (131776796706).

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

117860672478 is a wasteful number, since it uses less digits than its factorization.

117860672478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232256.

The product of its (nonzero) digits is 6322176, while the sum is 57.

The spelling of 117860672478 in words is "one hundred seventeen billion, eight hundred sixty million, six hundred seventy-two thousand, four hundred seventy-eight".