228304960777 has 2 divisors, whose sum is σ = 228304960778. Its totient is φ = 228304960776.

The previous prime is 228304960747. The next prime is 228304960787. The reversal of 228304960777 is 777069403822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214831323001 + 13473637776 = 463499^2 + 116076^2 .

It is a cyclic number.

It is not a de Polignac number, because 228304960777 - 2¹⁹ = 228304436489 is a prime.

It is not a weakly prime, because it can be changed into another prime (228304960727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114152480388 + 114152480389.

It is an arithmetic number, because the mean of its divisors is an integer number (114152480389).

Almost surely, 2^228304960777 is an apocalyptic number.

It is an amenable number.

228304960777 is a deficient number, since it is larger than the sum of its proper divisors (1).

228304960777 is an equidigital number, since it uses as much as digits as its factorization.

228304960777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 228304960777 in words is "two hundred twenty-eight billion, three hundred four million, nine hundred sixty thousand, seven hundred seventy-seven".