448066647 has 20 divisors (see below), whose sum is σ = 764954256. Its totient is φ = 256037760.

The previous prime is 448066643. The next prime is 448066687. The reversal of 448066647 is 746660844.

It is not a de Polignac number, because 448066647 - 2² = 448066643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448066643) 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 19 ways as a sum of consecutive naturals, for example, 394554 + ... + 395687.

Almost surely, 2^448066647 is an apocalyptic number.

448066647 is a deficient number, since it is larger than the sum of its proper divisors (316887609).

448066647 is an equidigital number, since it uses as much as digits as its factorization.

448066647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790260 (or 790251 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 448066647 is about 21167.5848173569. The cubic root of 448066647 is about 765.2104150146.

The spelling of 448066647 in words is "four hundred forty-eight million, sixty-six thousand, six hundred forty-seven".