285005085102 has 24 divisors (see below), whose sum is σ = 653835195936. Its totient is φ = 89413359936.

The previous prime is 285005085091. The next prime is 285005085109. The reversal of 285005085102 is 201580500582.

285005085102 is a `hidden beast` number, since 28 + 500 + 50 + 85 + 1 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285005085109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 465694278 + ... + 465694889.

It is an arithmetic number, because the mean of its divisors is an integer number (27243133164).

Almost surely, 2^285005085102 is an apocalyptic number.

285005085102 is an abundant number, since it is smaller than the sum of its proper divisors (368830110834).

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

285005085102 is a wasteful number, since it uses less digits than its factorization.

285005085102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931389192 (or 931389189 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

Adding to 285005085102 its reverse (201580500582), we get a palindrome (486585585684).

The spelling of 285005085102 in words is "two hundred eighty-five billion, five million, eighty-five thousand, one hundred two".