3866776673 has 2 divisors, whose sum is σ = 3866776674. Its totient is φ = 3866776672.

The previous prime is 3866776631. The next prime is 3866776679. The reversal of 3866776673 is 3766776683.

3866776673 is digitally balanced in base 2, because in such base 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., 3163837504 + 702939169 = 56248^2 + 26513^2 .

It is a cyclic number.

It is not a de Polignac number, because 3866776673 - 2¹⁶ = 3866711137 is a prime.

It is not a weakly prime, because it can be changed into another prime (3866776679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933388336 + 1933388337.

It is an arithmetic number, because the mean of its divisors is an integer number (1933388337).

Almost surely, 2^3866776673 is an apocalyptic number.

It is an amenable number.

3866776673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3866776673 is an equidigital number, since it uses as much as digits as its factorization.

3866776673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32006016, while the sum is 59.

The square root of 3866776673 is about 62183.4115580675. The cubic root of 3866776673 is about 1569.5784597246.

The spelling of 3866776673 in words is "three billion, eight hundred sixty-six million, seven hundred seventy-six thousand, six hundred seventy-three".