117885086605 has 16 divisors (see below), whose sum is σ = 166193241984. Its totient is φ = 79139638080.

The previous prime is 117885086597. The next prime is 117885086609. The reversal of 117885086605 is 506680588711.

It is a happy number.

It is not a de Polignac number, because 117885086605 - 2³ = 117885086597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117885086609) 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, 82436409 + ... + 82437838.

It is an arithmetic number, because the mean of its divisors is an integer number (10387077624).

Almost surely, 2^117885086605 is an apocalyptic number.

It is an amenable number.

117885086605 is a deficient number, since it is larger than the sum of its proper divisors (48308155379).

117885086605 is a wasteful number, since it uses less digits than its factorization.

117885086605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164874276.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 117885086605 in words is "one hundred seventeen billion, eight hundred eighty-five million, eighty-six thousand, six hundred five".