448785686 has 16 divisors (see below), whose sum is σ = 717912720. Its totient is φ = 209671680.

The previous prime is 448785679. The next prime is 448785707. The reversal of 448785686 is 686587844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42755 + ... + 52206.

It is an arithmetic number, because the mean of its divisors is an integer number (44869545).

Almost surely, 2^448785686 is an apocalyptic number.

448785686 is a deficient number, since it is larger than the sum of its proper divisors (269127034).

448785686 is a wasteful number, since it uses less digits than its factorization.

448785686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95119.

The product of its digits is 10321920, while the sum is 56.

The square root of 448785686 is about 21184.5624453280. The cubic root of 448785686 is about 765.6195223620.

The spelling of 448785686 in words is "four hundred forty-eight million, seven hundred eighty-five thousand, six hundred eighty-six".