3866777 has 2 divisors, whose sum is σ = 3866778. Its totient is φ = 3866776.

The previous prime is 3866767. The next prime is 3866791. The reversal of 3866777 is 7776683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2676496 + 1190281 = 1636^2 + 1091^2 .

It is an emirp because it is prime and its reverse (7776683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3866777 - 2⁶ = 3866713 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3866717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933388 + 1933389.

It is an arithmetic number, because the mean of its divisors is an integer number (1933389).

Almost surely, 2^3866777 is an apocalyptic number.

It is an amenable number.

3866777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3866777 is an equidigital number, since it uses as much as digits as its factorization.

3866777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 44.

The square root of 3866777 is about 1966.4122151777. The cubic root of 3866777 is about 156.9578503969.

The spelling of 3866777 in words is "three million, eight hundred sixty-six thousand, seven hundred seventy-seven".