442982977 has 2 divisors, whose sum is σ = 442982978. Its totient is φ = 442982976.

The previous prime is 442982959. The next prime is 442983067. The reversal of 442982977 is 779289244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385768881 + 57214096 = 19641^2 + 7564^2 .

It is a cyclic number.

It is not a de Polignac number, because 442982977 - 2¹¹ = 442980929 is a prime.

It is not a weakly prime, because it can be changed into another prime (442982077) 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, 221491488 + 221491489.

It is an arithmetic number, because the mean of its divisors is an integer number (221491489).

Almost surely, 2^442982977 is an apocalyptic number.

It is an amenable number.

442982977 is a deficient number, since it is larger than the sum of its proper divisors (1).

442982977 is an equidigital number, since it uses as much as digits as its factorization.

442982977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 52.

The square root of 442982977 is about 21047.1607823953. The cubic root of 442982977 is about 762.3054285233.

The spelling of 442982977 in words is "four hundred forty-two million, nine hundred eighty-two thousand, nine hundred seventy-seven".