2585896764 has 48 divisors (see below), whose sum is σ = 6587844480. Its totient is φ = 782943040.

The previous prime is 2585896759. The next prime is 2585896799. The reversal of 2585896764 is 4676985852.

It is a junction number, because it is equal to n+sod(n) for n = 2585896698 and 2585896707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161722 + ... + 176990.

It is an arithmetic number, because the mean of its divisors is an integer number (137246760).

Almost surely, 2^2585896764 is an apocalyptic number.

It is an amenable number.

2585896764 is an abundant number, since it is smaller than the sum of its proper divisors (4001947716).

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

2585896764 is a wasteful number, since it uses less digits than its factorization.

2585896764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16570 (or 16568 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The square root of 2585896764 is about 50851.7134814551. The cubic root of 2585896764 is about 1372.5780861410.

The spelling of 2585896764 in words is "two billion, five hundred eighty-five million, eight hundred ninety-six thousand, seven hundred sixty-four".