874447009 has 2 divisors, whose sum is σ = 874447010. Its totient is φ = 874447008.

The previous prime is 874446967. The next prime is 874447153. The reversal of 874447009 is 900744478.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657768609 + 216678400 = 25647^2 + 14720^2 .

It is a cyclic number.

It is not a de Polignac number, because 874447009 - 2²¹ = 872349857 is a prime.

It is not a weakly prime, because it can be changed into another prime (874447709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437223504 + 437223505.

It is an arithmetic number, because the mean of its divisors is an integer number (437223505).

Almost surely, 2^874447009 is an apocalyptic number.

It is an amenable number.

874447009 is a deficient number, since it is larger than the sum of its proper divisors (1).

874447009 is an equidigital number, since it uses as much as digits as its factorization.

874447009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 874447009 is about 29571.0501842596. The cubic root of 874447009 is about 956.2640567857.

The spelling of 874447009 in words is "eight hundred seventy-four million, four hundred forty-seven thousand, nine".