852885831421808 has 10 divisors (see below), whose sum is σ = 1652466298379784. Its totient is φ = 426442915710896.

The previous prime is 852885831421781. The next prime is 852885831421837. The reversal of 852885831421808 is 808124138588258.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26652682231916 + ... + 26652682231947.

Almost surely, 2^{852885831421808} is an apocalyptic number.

It is an amenable number.

852885831421808 is a deficient number, since it is larger than the sum of its proper divisors (799580466957976).

852885831421808 is a wasteful number, since it uses less digits than its factorization.

852885831421808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53305364463871 (or 53305364463865 counting only the distinct ones).

The product of its (nonzero) digits is 314572800, while the sum is 71.

The spelling of 852885831421808 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 eight".