117880122687 has 16 divisors (see below), whose sum is σ = 158743939200. Its totient is φ = 77804965152.

The previous prime is 117880122683. The next prime is 117880122691. The reversal of 117880122687 is 786221088711.

It is an interprime number because it is at equal distance from previous prime (117880122683) and next prime (117880122691).

It is not a de Polignac number, because 117880122687 - 2² = 117880122683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117880122683) 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, 292273 + ... + 566730.

It is an arithmetic number, because the mean of its divisors is an integer number (9921496200).

Almost surely, 2^117880122687 is an apocalyptic number.

117880122687 is a deficient number, since it is larger than the sum of its proper divisors (40863816513).

117880122687 is a wasteful number, since it uses less digits than its factorization.

117880122687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859462.

The product of its (nonzero) digits is 602112, while the sum is 51.

The spelling of 117880122687 in words is "one hundred seventeen billion, eight hundred eighty million, one hundred twenty-two thousand, six hundred eighty-seven".