8648549864 has 16 divisors (see below), whose sum is σ = 16257723300. Its totient is φ = 4313156992.

The previous prime is 8648549857. The next prime is 8648549933. The reversal of 8648549864 is 4689458468.

8648549864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8330212900 + 318336964 = 91270^2 + 17842^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8648549797 and 8648549806.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1386437 + ... + 1392660.

Almost surely, 2^8648549864 is an apocalyptic number.

It is an amenable number.

8648549864 is a deficient number, since it is larger than the sum of its proper divisors (7609173436).

8648549864 is a wasteful number, since it uses less digits than its factorization.

8648549864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779492 (or 2779488 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 62.

The square root of 8648549864 is about 92997.5798824894. The cubic root of 8648549864 is about 2052.6477675826.

The spelling of 8648549864 in words is "eight billion, six hundred forty-eight million, five hundred forty-nine thousand, eight hundred sixty-four".