2585775852 has 48 divisors (see below), whose sum is σ = 7313308800. Its totient is φ = 783568080.

The previous prime is 2585775839. The next prime is 2585775883.

2585775852 is a `hidden beast` number, since 2 + 5 + 8 + 57 + 7 + 585 + 2 = 666.

2585775852 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1087102 + ... + 1089477.

It is an arithmetic number, because the mean of its divisors is an integer number (152360600).

Almost surely, 2^2585775852 is an apocalyptic number.

2585775852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2585775852 is an abundant number, since it is smaller than the sum of its proper divisors (4727532948).

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

2585775852 is a wasteful number, since it uses less digits than its factorization.

2585775852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176603 (or 2176595 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 54.

The square root of 2585775852 is about 50850.5245990639. The cubic root of 2585775852 is about 1372.5566926924.

The spelling of 2585775852 in words is "two billion, five hundred eighty-five million, seven hundred seventy-five thousand, eight hundred fifty-two".