117878613670 has 32 divisors (see below), whose sum is σ = 216743579136. Its totient is φ = 46138092000.

The previous prime is 117878613569. The next prime is 117878613703. The reversal of 117878613670 is 76316878711.

It is a super-2 number, since 2×117878613670² (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, 2330145 + ... + 2380195.

It is an arithmetic number, because the mean of its divisors is an integer number (6773236848).

Almost surely, 2^117878613670 is an apocalyptic number.

117878613670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117878613670 is a deficient number, since it is larger than the sum of its proper divisors (98864965466).

117878613670 is a wasteful number, since it uses less digits than its factorization.

117878613670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55116.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 117878613670 in words is "one hundred seventeen billion, eight hundred seventy-eight million, six hundred thirteen thousand, six hundred seventy".