566460778 has 8 divisors (see below), whose sum is σ = 915052068. Its totient is φ = 261443424.

The previous prime is 566460773. The next prime is 566460803. The reversal of 566460778 is 877064665.

It can be written as a sum of positive squares in 2 ways, for example, as 539493529 + 26967249 = 23227^2 + 5193^2 .

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

It is not an unprimeable number, because it can be changed into a prime (566460773) 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, 10893451 + ... + 10893502.

Almost surely, 2^566460778 is an apocalyptic number.

566460778 is a deficient number, since it is larger than the sum of its proper divisors (348591290).

566460778 is a wasteful number, since it uses less digits than its factorization.

566460778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21786968.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 566460778 is about 23800.4365086021. The cubic root of 566460778 is about 827.4147935743.

The spelling of 566460778 in words is "five hundred sixty-six million, four hundred sixty thousand, seven hundred seventy-eight".