566638879 has 6 divisors (see below), whose sum is σ = 592347056. Its totient is φ = 542001900.

The previous prime is 566638873. The next prime is 566638903. The reversal of 566638879 is 978836665.

566638879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 566638879 - 2¹¹ = 566636831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566638873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 535047 + ... + 536104.

Almost surely, 2^566638879 is an apocalyptic number.

566638879 is a deficient number, since it is larger than the sum of its proper divisors (25708177).

566638879 is a wasteful number, since it uses less digits than its factorization.

566638879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071197 (or 1071174 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 58.

The square root of 566638879 is about 23804.1777635776. The cubic root of 566638879 is about 827.5015003487.

The spelling of 566638879 in words is "five hundred sixty-six million, six hundred thirty-eight thousand, eight hundred seventy-nine".