2585357885 has 16 divisors (see below), whose sum is σ = 3422502720. Its totient is φ = 1859130240.

The previous prime is 2585357867. The next prime is 2585357893. The reversal of 2585357885 is 5887535852.

It is not a de Polignac number, because 2585357885 - 2⁶ = 2585357821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2585357885.

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 15 ways as a sum of consecutive naturals, for example, 259187 + ... + 268976.

It is an arithmetic number, because the mean of its divisors is an integer number (213906420).

Almost surely, 2^2585357885 is an apocalyptic number.

It is an amenable number.

2585357885 is a deficient number, since it is larger than the sum of its proper divisors (837144835).

2585357885 is a wasteful number, since it uses less digits than its factorization.

2585357885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528268.

The product of its digits is 13440000, while the sum is 56.

The square root of 2585357885 is about 50846.4146720297. The cubic root of 2585357885 is about 1372.4827349651.

It can be divided in two parts, 25853 and 57885, that added together give a palindrome (83738).

The spelling of 2585357885 in words is "two billion, five hundred eighty-five million, three hundred fifty-seven thousand, eight hundred eighty-five".