852885831421868 has 36 divisors (see below), whose sum is σ = 1642384366525560. Its totient is φ = 386433397285056.

The previous prime is 852885831421843. The next prime is 852885831421873. The reversal of 852885831421868 is 868124138588258.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10606937105 + ... + 10607017512.

Almost surely, 2^{852885831421868} is an apocalyptic number.

It is an amenable number.

852885831421868 is a deficient number, since it is larger than the sum of its proper divisors (789498535103692).

852885831421868 is a wasteful number, since it uses less digits than its factorization.

852885831421868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213954686 (or 21213954661 counting only the distinct ones).

The product of its digits is 1887436800, while the sum is 77.

The spelling of 852885831421868 in words is "eight hundred fifty-two trillion, eight hundred eighty-five billion, eight hundred thirty-one million, four hundred twenty-one thousand, eight hundred sixty-eight".