566887 has 4 divisors (see below), whose sum is σ = 575416. Its totient is φ = 558360.

The previous prime is 566879. The next prime is 566911. The reversal of 566887 is 788665.

566887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788665 = 5 ⋅157733.

It is a cyclic number.

It is not a de Polignac number, because 566887 - 2³ = 566879 is a prime.

It is an Ulam number.

It is a Duffinian number.

566887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566857) 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, 4164 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (143854).

2⁵⁶⁶⁸⁸⁷ is an apocalyptic number.

566887 is a deficient number, since it is larger than the sum of its proper divisors (8529).

566887 is an equidigital number, since it uses as much as digits as its factorization.

566887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8528.

The product of its digits is 80640, while the sum is 40.

The square root of 566887 is about 752.9189863458. The cubic root of 566887 is about 82.7622265411.

The spelling of 566887 in words is "five hundred sixty-six thousand, eight hundred eighty-seven".