2568478143 has 32 divisors (see below), whose sum is σ = 4311171072. Its totient is φ = 1321308000.

The previous prime is 2568478111. The next prime is 2568478151. The reversal of 2568478143 is 3418748652.

It is not a de Polignac number, because 2568478143 - 2⁵ = 2568478111 is a prime.

It is a super-3 number, since 3×2568478143³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2568478092 and 2568478101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568478163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30183 + ... + 77768.

It is an arithmetic number, because the mean of its divisors is an integer number (134724096).

Almost surely, 2^2568478143 is an apocalyptic number.

2568478143 is a deficient number, since it is larger than the sum of its proper divisors (1742692929).

2568478143 is a wasteful number, since it uses less digits than its factorization.

2568478143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108075.

The product of its digits is 1290240, while the sum is 48.

The square root of 2568478143 is about 50680.1553174416. The cubic root of 2568478143 is about 1369.4892412914.

The spelling of 2568478143 in words is "two billion, five hundred sixty-eight million, four hundred seventy-eight thousand, one hundred forty-three".