3906662777 has 2 divisors, whose sum is σ = 3906662778. Its totient is φ = 3906662776.

The previous prime is 3906662759. The next prime is 3906662791. The reversal of 3906662777 is 7772666093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3607684096 + 298978681 = 60064^2 + 17291^2 .

It is a cyclic number.

It is not a de Polignac number, because 3906662777 - 2¹⁸ = 3906400633 is a prime.

It is not a weakly prime, because it can be changed into another prime (3906662707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953331388 + 1953331389.

It is an arithmetic number, because the mean of its divisors is an integer number (1953331389).

Almost surely, 2^3906662777 is an apocalyptic number.

It is an amenable number.

3906662777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3906662777 is an equidigital number, since it uses as much as digits as its factorization.

3906662777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 53.

The square root of 3906662777 is about 62503.3021287676. The cubic root of 3906662777 is about 1574.9567841674.

The spelling of 3906662777 in words is "three billion, nine hundred six million, six hundred sixty-two thousand, seven hundred seventy-seven".