4227770761 has 2 divisors, whose sum is σ = 4227770762. Its totient is φ = 4227770760.

The previous prime is 4227770753. The next prime is 4227770779. The reversal of 4227770761 is 1670777224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3906250000 + 321520761 = 62500^2 + 17931^2 .

It is a cyclic number.

It is not a de Polignac number, because 4227770761 - 2³ = 4227770753 is a prime.

It is not a weakly prime, because it can be changed into another prime (4227770711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113885380 + 2113885381.

It is an arithmetic number, because the mean of its divisors is an integer number (2113885381).

Almost surely, 2^4227770761 is an apocalyptic number.

It is an amenable number.

4227770761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4227770761 is an equidigital number, since it uses as much as digits as its factorization.

4227770761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230496, while the sum is 43.

The square root of 4227770761 is about 65021.3100529357. The cubic root of 4227770761 is about 1616.9768800301.

The spelling of 4227770761 in words is "four billion, two hundred twenty-seven million, seven hundred seventy thousand, seven hundred sixty-one".