117578837968 has 20 divisors (see below), whose sum is σ = 228953773600. Its totient is φ = 58493993184.

The previous prime is 117578837953. The next prime is 117578837977. The reversal of 117578837968 is 869738875711.

It is a junction number, because it is equal to n+sod(n) for n = 117578837897 and 117578837906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18460830 + ... + 18467197.

It is an arithmetic number, because the mean of its divisors is an integer number (11447688680).

Almost surely, 2^117578837968 is an apocalyptic number.

It is an amenable number.

117578837968 is a deficient number, since it is larger than the sum of its proper divisors (111374935632).

117578837968 is a wasteful number, since it uses less digits than its factorization.

117578837968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36928234 (or 36928228 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 70.

The spelling of 117578837968 in words is "one hundred seventeen billion, five hundred seventy-eight million, eight hundred thirty-seven thousand, nine hundred sixty-eight".