2568134278 has 16 divisors (see below), whose sum is σ = 4062262320. Its totient is φ = 1214290656.

The previous prime is 2568134263. The next prime is 2568134281. The reversal of 2568134278 is 8724318652.

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, 39501 + ... + 81832.

It is an arithmetic number, because the mean of its divisors is an integer number (253891395).

Almost surely, 2^2568134278 is an apocalyptic number.

2568134278 is a deficient number, since it is larger than the sum of its proper divisors (1494128042).

2568134278 is a wasteful number, since it uses less digits than its factorization.

2568134278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121911.

The product of its digits is 645120, while the sum is 46.

The square root of 2568134278 is about 50676.7627024458. The cubic root of 2568134278 is about 1369.4281233311.

The spelling of 2568134278 in words is "two billion, five hundred sixty-eight million, one hundred thirty-four thousand, two hundred seventy-eight".