239212716885 has 32 divisors (see below), whose sum is σ = 425752174080. Its totient is φ = 127434579264.

The previous prime is 239212716881. The next prime is 239212716887. The reversal of 239212716885 is 588617212932.

239212716885 is a `hidden beast` number, since 2 + 392 + 12 + 7 + 168 + 85 = 666.

239212716885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 239212716885 - 2² = 239212716881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239212716881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891837 + ... + 1128626.

It is an arithmetic number, because the mean of its divisors is an integer number (13304755440).

Almost surely, 2^239212716885 is an apocalyptic number.

It is an amenable number.

239212716885 is a deficient number, since it is larger than the sum of its proper divisors (186539457195).

239212716885 is a wasteful number, since it uses less digits than its factorization.

239212716885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021354 (or 2021348 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The spelling of 239212716885 in words is "two hundred thirty-nine billion, two hundred twelve million, seven hundred sixteen thousand, eight hundred eighty-five".