2547286864 has 20 divisors (see below), whose sum is σ = 5094574720. Its totient is φ = 1232557920.

The previous prime is 2547286843. The next prime is 2547286873. The reversal of 2547286864 is 4686827452.

2547286864 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2567334 + ... + 2568325.

It is an arithmetic number, because the mean of its divisors is an integer number (254728736).

Almost surely, 2^2547286864 is an apocalyptic number.

It is an amenable number.

2547286864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2547286864 is a wasteful number, since it uses less digits than its factorization.

2547286864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135698 (or 5135692 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The square root of 2547286864 is about 50470.6534928962. The cubic root of 2547286864 is about 1365.7125029217.

The spelling of 2547286864 in words is "two billion, five hundred forty-seven million, two hundred eighty-six thousand, eight hundred sixty-four".