2585814066872 has 32 divisors (see below), whose sum is σ = 5133864330720. Its totient is φ = 1216791367680.

The previous prime is 2585814066853. The next prime is 2585814066929. The reversal of 2585814066872 is 2786604185852.

It is a super-2 number, since 2×2585814066872² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2234597 + ... + 3188267.

It is an arithmetic number, because the mean of its divisors is an integer number (160433260335).

Almost surely, 2^{2585814066872} is an apocalyptic number.

It is an amenable number.

2585814066872 is a deficient number, since it is larger than the sum of its proper divisors (2548050263848).

2585814066872 is a wasteful number, since it uses less digits than its factorization.

2585814066872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973631 (or 973627 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 2585814066872 in words is "two trillion, five hundred eighty-five billion, eight hundred fourteen million, sixty-six thousand, eight hundred seventy-two".