566446428677 has 8 divisors (see below), whose sum is σ = 570500110680. Its totient is φ = 562404280320.

The previous prime is 566446428641. The next prime is 566446428697. The reversal of 566446428677 is 776824644665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 176832024196 + 389614404481 = 420514^2 + 624191^2 .

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 566446428677 - 2⁸ = 566446428421 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 (566446428617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2784824 + ... + 2981297.

It is an arithmetic number, because the mean of its divisors is an integer number (71312513835).

Almost surely, 2^566446428677 is an apocalyptic number.

It is an amenable number.

566446428677 is a deficient number, since it is larger than the sum of its proper divisors (4053682003).

566446428677 is a wasteful number, since it uses less digits than its factorization.

566446428677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766823.

The product of its digits is 325140480, while the sum is 65.

The spelling of 566446428677 in words is "five hundred sixty-six billion, four hundred forty-six million, four hundred twenty-eight thousand, six hundred seventy-seven".