448782788 has 6 divisors (see below), whose sum is σ = 785369886. Its totient is φ = 224391392.

The previous prime is 448782781. The next prime is 448782791. The reversal of 448782788 is 887287844.

It can be written as a sum of positive squares in only one way, i.e., 295221124 + 153561664 = 17182^2 + 12392^2 .

It is not an unprimeable number, because it can be changed into a prime (448782781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56097845 + ... + 56097852.

It is an arithmetic number, because the mean of its divisors is an integer number (130894981).

Almost surely, 2^448782788 is an apocalyptic number.

It is an amenable number.

448782788 is a deficient number, since it is larger than the sum of its proper divisors (336587098).

448782788 is a wasteful number, since it uses less digits than its factorization.

448782788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112195701 (or 112195699 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 56.

The square root of 448782788 is about 21184.4940463538. The cubic root of 448782788 is about 765.6178743816.

The spelling of 448782788 in words is "four hundred forty-eight million, seven hundred eighty-two thousand, seven hundred eighty-eight".