117880342287 has 16 divisors (see below), whose sum is σ = 161016810240. Its totient is φ = 76669653312.

The previous prime is 117880342219. The next prime is 117880342303. The reversal of 117880342287 is 782243088711.

It is not a de Polignac number, because 117880342287 - 2³⁵ = 83520603919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117880342207) 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, 422587 + ... + 643692.

It is an arithmetic number, because the mean of its divisors is an integer number (10063550640).

Almost surely, 2^117880342287 is an apocalyptic number.

117880342287 is a deficient number, since it is larger than the sum of its proper divisors (43136467953).

117880342287 is a wasteful number, since it uses less digits than its factorization.

117880342287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067182.

The product of its (nonzero) digits is 1204224, while the sum is 51.

The spelling of 117880342287 in words is "one hundred seventeen billion, eight hundred eighty million, three hundred forty-two thousand, two hundred eighty-seven".