5666777 has 2 divisors, whose sum is σ = 5666778. Its totient is φ = 5666776.

The previous prime is 5666767. The next prime is 5666783. The reversal of 5666777 is 7776665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4618201 + 1048576 = 2149^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666777 - 2¹² = 5662681 is a prime.

It is a super-2 number, since 2×5666777² = 64224723135458, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (5666737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833388 + 2833389.

It is an arithmetic number, because the mean of its divisors is an integer number (2833389).

Almost surely, 2^5666777 is an apocalyptic number.

It is an amenable number.

5666777 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666777 is an equidigital number, since it uses as much as digits as its factorization.

5666777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 44.

The square root of 5666777 is about 2380.4993173702. The cubic root of 5666777 is about 178.2838651235.

The spelling of 5666777 in words is "five million, six hundred sixty-six thousand, seven hundred seventy-seven".