4444784977 has 2 divisors, whose sum is σ = 4444784978. Its totient is φ = 4444784976.

The previous prime is 4444784941. The next prime is 4444784987. The reversal of 4444784977 is 7794874444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3773767761 + 671017216 = 61431^2 + 25904^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444784977 - 2¹¹ = 4444782929 is a prime.

It is a super-2 number, since 2×4444784977² = 39512226983529781058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4444784987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222392488 + 2222392489.

It is an arithmetic number, because the mean of its divisors is an integer number (2222392489).

Almost surely, 2^4444784977 is an apocalyptic number.

It is an amenable number.

4444784977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444784977 is an equidigital number, since it uses as much as digits as its factorization.

4444784977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25288704, while the sum is 58.

The square root of 4444784977 is about 66669.2206119136. The cubic root of 4444784977 is about 1644.1833730896.

The spelling of 4444784977 in words is "four billion, four hundred forty-four million, seven hundred eighty-four thousand, nine hundred seventy-seven".