244444020077 has 2 divisors, whose sum is σ = 244444020078. Its totient is φ = 244444020076.

The previous prime is 244444019969. The next prime is 244444020083. The reversal of 244444020077 is 770020444442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179831972356 + 64612047721 = 424066^2 + 254189^2 .

It is a cyclic number.

It is not a de Polignac number, because 244444020077 - 2¹⁸ = 244443757933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244444020077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244444320077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122222010038 + 122222010039.

It is an arithmetic number, because the mean of its divisors is an integer number (122222010039).

Almost surely, 2^244444020077 is an apocalyptic number.

It is an amenable number.

244444020077 is a deficient number, since it is larger than the sum of its proper divisors (1).

244444020077 is an equidigital number, since it uses as much as digits as its factorization.

244444020077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200704, while the sum is 38.

The spelling of 244444020077 in words is "two hundred forty-four billion, four hundred forty-four million, twenty thousand, seventy-seven".