117578109694 has 16 divisors (see below), whose sum is σ = 178863870816. Its totient is φ = 57956936800.

The previous prime is 117578109689. The next prime is 117578109709. The reversal of 117578109694 is 496901875711.

It is a happy number.

It is a super-2 number, since 2×117578109694² (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 7 ways as a sum of consecutive naturals, for example, 3353784 + ... + 3388660.

It is an arithmetic number, because the mean of its divisors is an integer number (11178991926).

Almost surely, 2^117578109694 is an apocalyptic number.

117578109694 is a deficient number, since it is larger than the sum of its proper divisors (61285761122).

117578109694 is a wasteful number, since it uses less digits than its factorization.

117578109694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58691.

The product of its (nonzero) digits is 3810240, while the sum is 58.

The spelling of 117578109694 in words is "one hundred seventeen billion, five hundred seventy-eight million, one hundred nine thousand, six hundred ninety-four".