117872310591982 has 16 divisors (see below), whose sum is σ = 177570611612352. Its totient is φ = 58682298388480.

The previous prime is 117872310591947. The next prime is 117872310592051. The reversal of 117872310591982 is 289195013278711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46685494 + ... + 49145497.

It is an arithmetic number, because the mean of its divisors is an integer number (11098163225772).

Almost surely, 2^{117872310591982} is an apocalyptic number.

117872310591982 is a deficient number, since it is larger than the sum of its proper divisors (59698301020370).

117872310591982 is a wasteful number, since it uses less digits than its factorization.

117872310591982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95833643.

The product of its (nonzero) digits is 15240960, while the sum is 64.

The spelling of 117872310591982 in words is "one hundred seventeen trillion, eight hundred seventy-two billion, three hundred ten million, five hundred ninety-one thousand, nine hundred eighty-two".