117877349665 has 32 divisors (see below), whose sum is σ = 157743936000. Its totient is φ = 84036722688.

The previous prime is 117877349617. The next prime is 117877349683. The reversal of 117877349665 is 566943778711.

It is a cyclic number.

It is not a de Polignac number, because 117877349665 - 2¹⁵ = 117877316897 is a prime.

It is a super-2 number, since 2×117877349665² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117877349597 and 117877349606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3031416 + ... + 3070054.

It is an arithmetic number, because the mean of its divisors is an integer number (4929498000).

Almost surely, 2^117877349665 is an apocalyptic number.

It is an amenable number.

117877349665 is a deficient number, since it is larger than the sum of its proper divisors (39866586335).

117877349665 is a wasteful number, since it uses less digits than its factorization.

117877349665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40569.

The product of its digits is 53343360, while the sum is 64.

The spelling of 117877349665 in words is "one hundred seventeen billion, eight hundred seventy-seven million, three hundred forty-nine thousand, six hundred sixty-five".