448399878 has 8 divisors (see below), whose sum is σ = 896799768. Its totient is φ = 149466624.

The previous prime is 448399877. The next prime is 448399921. The reversal of 448399878 is 878993844.

It is a sphenic number, since it is the product of 3 distinct primes.

448399878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448399877) 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, 37366651 + ... + 37366662.

It is an arithmetic number, because the mean of its divisors is an integer number (112099971).

Almost surely, 2^448399878 is an apocalyptic number.

448399878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448399878 is a wasteful number, since it uses less digits than its factorization.

448399878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74733318.

The product of its digits is 13934592, while the sum is 60.

The square root of 448399878 is about 21175.4546114127. The cubic root of 448399878 is about 765.4000658522.

The spelling of 448399878 in words is "four hundred forty-eight million, three hundred ninety-nine thousand, eight hundred seventy-eight".