448522879 has 4 divisors (see below), whose sum is σ = 512597584. Its totient is φ = 384448176.

The previous prime is 448522871. The next prime is 448522891. The reversal of 448522879 is 978225844.

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

It is not a de Polignac number, because 448522879 - 2³ = 448522871 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 (448522871) 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, 32037342 + ... + 32037355.

It is an arithmetic number, because the mean of its divisors is an integer number (128149396).

Almost surely, 2^448522879 is an apocalyptic number.

448522879 is a deficient number, since it is larger than the sum of its proper divisors (64074705).

448522879 is an equidigital number, since it uses as much as digits as its factorization.

448522879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64074704.

The product of its digits is 1290240, while the sum is 49.

The square root of 448522879 is about 21178.3587418855. The cubic root of 448522879 is about 765.4700453289.

The spelling of 448522879 in words is "four hundred forty-eight million, five hundred twenty-two thousand, eight hundred seventy-nine".