853434558852 has 12 divisors (see below), whose sum is σ = 1991347304016. Its totient is φ = 284478186280.

The previous prime is 853434558793. The next prime is 853434558863. The reversal of 853434558852 is 258855434358.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35559773274 + ... + 35559773297.

It is an arithmetic number, because the mean of its divisors is an integer number (165945608668).

Almost surely, 2^853434558852 is an apocalyptic number.

It is an amenable number.

853434558852 is an abundant number, since it is smaller than the sum of its proper divisors (1137912745164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853434558852 is a wasteful number, since it uses less digits than its factorization.

853434558852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71119546578 (or 71119546576 counting only the distinct ones).

The product of its digits is 92160000, while the sum is 60.

The spelling of 853434558852 in words is "eight hundred fifty-three billion, four hundred thirty-four million, five hundred fifty-eight thousand, eight hundred fifty-two".