448728863 has 6 divisors (see below), whose sum is σ = 493231032. Its totient is φ = 407935220.

The previous prime is 448728857. The next prime is 448728869. The reversal of 448728863 is 368827844.

It is an interprime number because it is at equal distance from previous prime (448728857) and next prime (448728869).

It is not a de Polignac number, because 448728863 - 2²⁴ = 431951647 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 (448728869) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1854131 + ... + 1854372.

It is an arithmetic number, because the mean of its divisors is an integer number (82205172).

Almost surely, 2^448728863 is an apocalyptic number.

448728863 is a deficient number, since it is larger than the sum of its proper divisors (44502169).

448728863 is a wasteful number, since it uses less digits than its factorization.

448728863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708525 (or 3708514 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 448728863 is about 21183.2212611774. The cubic root of 448728863 is about 765.5872080260.

It can be divided in two parts, 44872 and 8863, that added together give a palindrome (53735).

The spelling of 448728863 in words is "four hundred forty-eight million, seven hundred twenty-eight thousand, eight hundred sixty-three".