285085000892 has 24 divisors (see below), whose sum is σ = 499942531200. Its totient is φ = 142244377776.

The previous prime is 285085000841. The next prime is 285085000903. The reversal of 285085000892 is 298000580582.

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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17855609 + ... + 17871567.

It is an arithmetic number, because the mean of its divisors is an integer number (20830938800).

Almost surely, 2^285085000892 is an apocalyptic number.

It is an amenable number.

285085000892 is a deficient number, since it is larger than the sum of its proper divisors (214857530308).

285085000892 is a wasteful number, since it uses less digits than its factorization.

With its successor (285085000893) it forms an eRAP, since the sums of their prime factors are consecutive (25025 and 25026).

285085000892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025 (or 25023 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 285085000892 in words is "two hundred eighty-five billion, eighty-five million, eight hundred ninety-two", and thus it is an aban number.