568457478 has 48 divisors (see below), whose sum is σ = 1315267200. Its totient is φ = 177045120.

The previous prime is 568457467. The next prime is 568457503. The reversal of 568457478 is 874754865.

568457478 is a `hidden beast` number, since 5 + 68 + 4 + 574 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1383 + ... + 33746.

It is an arithmetic number, because the mean of its divisors is an integer number (27401400).

Almost surely, 2^568457478 is an apocalyptic number.

568457478 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 568457478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657633600).

568457478 is an abundant number, since it is smaller than the sum of its proper divisors (746809722).

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

568457478 is a wasteful number, since it uses less digits than its factorization.

568457478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35197 (or 35194 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 54.

The square root of 568457478 is about 23842.3463191021. The cubic root of 568457478 is about 828.3858297757.

The spelling of 568457478 in words is "five hundred sixty-eight million, four hundred fifty-seven thousand, four hundred seventy-eight".