3077428777 has 2 divisors, whose sum is σ = 3077428778. Its totient is φ = 3077428776.

The previous prime is 3077428751. The next prime is 3077428801. The reversal of 3077428777 is 7778247703.

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., 2758770576 + 318658201 = 52524^2 + 17851^2 .

It is a cyclic number.

It is not a de Polignac number, because 3077428777 - 2¹⁹ = 3076904489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3077428577) 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, 1538714388 + 1538714389.

It is an arithmetic number, because the mean of its divisors is an integer number (1538714389).

Almost surely, 2^3077428777 is an apocalyptic number.

It is an amenable number.

3077428777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3077428777 is an equidigital number, since it uses as much as digits as its factorization.

3077428777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3226944, while the sum is 52.

The square root of 3077428777 is about 55474.5777541389. The cubic root of 3077428777 is about 1454.5522847912.

The spelling of 3077428777 in words is "three billion, seventy-seven million, four hundred twenty-eight thousand, seven hundred seventy-seven".