864548768 has 24 divisors (see below), whose sum is σ = 1703560068. Its totient is φ = 431898624.

The previous prime is 864548743. The next prime is 864548777. The reversal of 864548768 is 867845468.

It can be written as a sum of positive squares in 2 ways, for example, as 539539984 + 325008784 = 23228^2 + 18028^2 .

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, 27680 + ... + 49952.

Almost surely, 2^864548768 is an apocalyptic number.

It is an amenable number.

864548768 is a deficient number, since it is larger than the sum of its proper divisors (839011300).

864548768 is a wasteful number, since it uses less digits than its factorization.

864548768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23496 (or 23488 counting only the distinct ones).

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

The square root of 864548768 is about 29403.2101648783. The cubic root of 864548768 is about 952.6422354718.

The spelling of 864548768 in words is "eight hundred sixty-four million, five hundred forty-eight thousand, seven hundred sixty-eight".