447448811 has 4 divisors (see below), whose sum is σ = 453112800. Its totient is φ = 441784824.

The previous prime is 447448783. The next prime is 447448817. The reversal of 447448811 is 118844744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447448811 - 2¹⁰ = 447447787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447448817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831876 + ... + 2832033.

It is an arithmetic number, because the mean of its divisors is an integer number (113278200).

Almost surely, 2^447448811 is an apocalyptic number.

447448811 is a deficient number, since it is larger than the sum of its proper divisors (5663989).

447448811 is an equidigital number, since it uses as much as digits as its factorization.

447448811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663988.

The product of its digits is 114688, while the sum is 41.

The square root of 447448811 is about 21152.9858648844. The cubic root of 447448811 is about 764.8585387825.

The spelling of 447448811 in words is "four hundred forty-seven million, four hundred forty-eight thousand, eight hundred eleven".