4427777 has 2 divisors, whose sum is σ = 4427778. Its totient is φ = 4427776.

The previous prime is 4427771. The next prime is 4427789. The reversal of 4427777 is 7777244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4426816 + 961 = 2104^2 + 31^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427777 - 2¹² = 4423681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4427777.

It is not a weakly prime, because it can be changed into another prime (4427771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213888 + 2213889.

It is an arithmetic number, because the mean of its divisors is an integer number (2213889).

It is a Proth number, since it is equal to 1081 ⋅ 2¹² + 1 and 1081 < 2¹².

Almost surely, 2^4427777 is an apocalyptic number.

It is an amenable number.

4427777 is a deficient number, since it is larger than the sum of its proper divisors (1).

4427777 is an equidigital number, since it uses as much as digits as its factorization.

4427777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76832, while the sum is 38.

The square root of 4427777 is about 2104.2283621318. The cubic root of 4427777 is about 164.2083535673.

The spelling of 4427777 in words is "four million, four hundred twenty-seven thousand, seven hundred seventy-seven".