578268689 has 6 divisors (see below), whose sum is σ = 584995590. Its totient is φ = 571546976.

The previous prime is 578268679. The next prime is 578268709. The reversal of 578268689 is 986862875.

578268689 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 3 ways, for example, as 259467664 + 318801025 = 16108^2 + 17855^2 .

It is not a de Polignac number, because 578268689 - 2⁸ = 578268433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (578268619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225587 + ... + 228135.

It is an arithmetic number, because the mean of its divisors is an integer number (97499265).

Almost surely, 2^578268689 is an apocalyptic number.

It is an amenable number.

578268689 is a deficient number, since it is larger than the sum of its proper divisors (6726901).

578268689 is an frugal number, since it uses more digits than its factorization.

578268689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187 (or 2638 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 59.

The square root of 578268689 is about 24047.2179056123. The cubic root of 578268689 is about 833.1244739332.

The spelling of 578268689 in words is "five hundred seventy-eight million, two hundred sixty-eight thousand, six hundred eighty-nine".