117688107867 has 32 divisors (see below), whose sum is σ = 172946042880. Its totient is φ = 70592217120.

The previous prime is 117688107829. The next prime is 117688107869. The reversal of 117688107867 is 768701886711.

It is not a de Polignac number, because 117688107867 - 2¹⁹ = 117687583579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117688107867.

It is not an unprimeable number, because it can be changed into a prime (117688107869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6377508 + ... + 6395934.

It is an arithmetic number, because the mean of its divisors is an integer number (5404563840).

Almost surely, 2^117688107867 is an apocalyptic number.

117688107867 is a deficient number, since it is larger than the sum of its proper divisors (55257935013).

117688107867 is a wasteful number, since it uses less digits than its factorization.

117688107867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20423.

The product of its (nonzero) digits is 6322176, while the sum is 60.

The spelling of 117688107867 in words is "one hundred seventeen billion, six hundred eighty-eight million, one hundred seven thousand, eight hundred sixty-seven".