3666582277 has 2 divisors, whose sum is σ = 3666582278. Its totient is φ = 3666582276.

The previous prime is 3666582211. The next prime is 3666582299. The reversal of 3666582277 is 7722856663.

3666582277 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3664365156 + 2217121 = 60534^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 3666582277 - 2⁷ = 3666582149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666585277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833291138 + 1833291139.

It is an arithmetic number, because the mean of its divisors is an integer number (1833291139).

Almost surely, 2^3666582277 is an apocalyptic number.

It is an amenable number.

3666582277 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666582277 is an equidigital number, since it uses as much as digits as its factorization.

3666582277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 52.

The square root of 3666582277 is about 60552.3102532017. The cubic root of 3666582277 is about 1542.0098395737.

The spelling of 3666582277 in words is "three billion, six hundred sixty-six million, five hundred eighty-two thousand, two hundred seventy-seven".