117612789177 has 16 divisors (see below), whose sum is σ = 168892592960. Its totient is φ = 72371662272.

The previous prime is 117612789139. The next prime is 117612789179. The reversal of 117612789177 is 771987216711.

It is not a de Polignac number, because 117612789177 - 2¹⁸ = 117612527033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117612789179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447474 + ... + 659892.

It is an arithmetic number, because the mean of its divisors is an integer number (10555787060).

Almost surely, 2^117612789177 is an apocalyptic number.

It is an amenable number.

117612789177 is a deficient number, since it is larger than the sum of its proper divisors (51279803783).

117612789177 is a wasteful number, since it uses less digits than its factorization.

117612789177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226632.

The product of its digits is 2074464, while the sum is 57.

The spelling of 117612789177 in words is "one hundred seventeen billion, six hundred twelve million, seven hundred eighty-nine thousand, one hundred seventy-seven".