448064287 has 4 divisors (see below), whose sum is σ = 488797416. Its totient is φ = 407331160.

The previous prime is 448064269. The next prime is 448064299. The reversal of 448064287 is 782460844.

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 448064287 - 2⁷ = 448064159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448064887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20366548 + ... + 20366569.

It is an arithmetic number, because the mean of its divisors is an integer number (122199354).

Almost surely, 2^448064287 is an apocalyptic number.

448064287 is a deficient number, since it is larger than the sum of its proper divisors (40733129).

448064287 is a wasteful number, since it uses less digits than its factorization.

448064287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40733128.

The product of its (nonzero) digits is 344064, while the sum is 43.

The square root of 448064287 is about 21167.5290716701. The cubic root of 448064287 is about 765.2090715391.

The spelling of 448064287 in words is "four hundred forty-eight million, sixty-four thousand, two hundred eighty-seven".