117570873887 has 2 divisors, whose sum is σ = 117570873888. Its totient is φ = 117570873886.

The previous prime is 117570873881. The next prime is 117570873911. The reversal of 117570873887 is 788378075711.

It is a weak prime.

It is an emirp because it is prime and its reverse (788378075711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117570873887 - 2²⁰ = 117569825311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117570873881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58785436943 + 58785436944.

It is an arithmetic number, because the mean of its divisors is an integer number (58785436944).

Almost surely, 2^117570873887 is an apocalyptic number.

117570873887 is a deficient number, since it is larger than the sum of its proper divisors (1).

117570873887 is an equidigital number, since it uses as much as digits as its factorization.

117570873887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18439680, while the sum is 62.

The spelling of 117570873887 in words is "one hundred seventeen billion, five hundred seventy million, eight hundred seventy-three thousand, eight hundred eighty-seven".