2568287864 has 16 divisors (see below), whose sum is σ = 4817808720. Its totient is φ = 1283538880.

The previous prime is 2568287861. The next prime is 2568287933. The reversal of 2568287864 is 4687828652.

It is a happy number.

2568287864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2568287864² = 13192205104739364992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568287861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57332 + ... + 91779.

It is an arithmetic number, because the mean of its divisors is an integer number (301113045).

Almost surely, 2^2568287864 is an apocalyptic number.

It is an amenable number.

2568287864 is a deficient number, since it is larger than the sum of its proper divisors (2249520856).

2568287864 is a wasteful number, since it uses less digits than its factorization.

2568287864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151270 (or 151266 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The square root of 2568287864 is about 50678.2780291517. The cubic root of 2568287864 is about 1369.4554221108.

The spelling of 2568287864 in words is "two billion, five hundred sixty-eight million, two hundred eighty-seven thousand, eight hundred sixty-four".