566231803877 has 2 divisors, whose sum is σ = 566231803878. Its totient is φ = 566231803876.

The previous prime is 566231803867. The next prime is 566231803889. The reversal of 566231803877 is 778308132665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532945260961 + 33286542916 = 730031^2 + 182446^2 .

It is a cyclic number.

It is not a de Polignac number, because 566231803877 - 2⁴ = 566231803861 is a prime.

It is a super-2 number, since 2×566231803877² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566231803867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283115901938 + 283115901939.

It is an arithmetic number, because the mean of its divisors is an integer number (283115901939).

Almost surely, 2^566231803877 is an apocalyptic number.

It is an amenable number.

566231803877 is a deficient number, since it is larger than the sum of its proper divisors (1).

566231803877 is an equidigital number, since it uses as much as digits as its factorization.

566231803877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 566231803877 in words is "five hundred sixty-six billion, two hundred thirty-one million, eight hundred three thousand, eight hundred seventy-seven".