85852843572 has 24 divisors (see below), whose sum is σ = 200801412000. Its totient is φ = 28549313056.

The previous prime is 85852843561. The next prime is 85852843589. The reversal of 85852843572 is 27534825858.

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, 8532447 + ... + 8542502.

It is an arithmetic number, because the mean of its divisors is an integer number (8366725500).

Almost surely, 2^85852843572 is an apocalyptic number.

It is an amenable number.

85852843572 is an abundant number, since it is smaller than the sum of its proper divisors (114948568428).

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

85852843572 is a wasteful number, since it uses less digits than its factorization.

85852843572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17075375 (or 17075373 counting only the distinct ones).

The product of its digits is 21504000, while the sum is 57.

The spelling of 85852843572 in words is "eighty-five billion, eight hundred fifty-two million, eight hundred forty-three thousand, five hundred seventy-two".