568257407 has 8 divisors (see below), whose sum is σ = 588273840. Its totient is φ = 548269120.

The previous prime is 568257367. The next prime is 568257421. The reversal of 568257407 is 704752865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 568257407 - 2²⁴ = 551480191 is a prime.

It is a super-2 number, since 2×568257407² = 645832961220727298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568257457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39323 + ... + 51795.

It is an arithmetic number, because the mean of its divisors is an integer number (73534230).

Almost surely, 2^568257407 is an apocalyptic number.

568257407 is a deficient number, since it is larger than the sum of its proper divisors (20016433).

568257407 is a wasteful number, since it uses less digits than its factorization.

568257407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 568257407 is about 23838.1502428355. The cubic root of 568257407 is about 828.2886337465.

The spelling of 568257407 in words is "five hundred sixty-eight million, two hundred fifty-seven thousand, four hundred seven".