117868885127 has 48 divisors (see below), whose sum is σ = 151871671872. Its totient is φ = 89282027520.

The previous prime is 117868885061. The next prime is 117868885207. The reversal of 117868885127 is 721588868711.

It is not a de Polignac number, because 117868885127 - 2¹⁴ = 117868868743 is a prime.

It is a super-2 number, since 2×117868885127² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117868885127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117868885727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4842227 + ... + 4866507.

It is an arithmetic number, because the mean of its divisors is an integer number (3163993164).

Almost surely, 2^117868885127 is an apocalyptic number.

117868885127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

117868885127 is a deficient number, since it is larger than the sum of its proper divisors (34002786745).

117868885127 is a wasteful number, since it uses less digits than its factorization.

117868885127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24456 (or 24437 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 62.

The spelling of 117868885127 in words is "one hundred seventeen billion, eight hundred sixty-eight million, eight hundred eighty-five thousand, one hundred twenty-seven".