85852505800 has 96 divisors (see below), whose sum is σ = 215336831400. Its totient is φ = 31711047680.

The previous prime is 85852505797. The next prime is 85852505887. The reversal of 85852505800 is 850525858.

It can be written as a sum of positive squares in 12 ways, for example, as 14188144996 + 71664360804 = 119114^2 + 267702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58015 + ... + 418414.

Almost surely, 2^85852505800 is an apocalyptic number.

It is an amenable number.

85852505800 is an abundant number, since it is smaller than the sum of its proper divisors (129484325600).

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

85852505800 is a wasteful number, since it uses less digits than its factorization.

85852505800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476515 (or 476506 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 46.

The spelling of 85852505800 in words is "eighty-five billion, eight hundred fifty-two million, five hundred five thousand, eight hundred".