563778 has 12 divisors (see below), whose sum is σ = 1221558. Its totient is φ = 187920.

The previous prime is 563777. The next prime is 563809. The reversal of 563778 is 877365.

It can be written as a sum of positive squares in only one way, i.e., 471969 + 91809 = 687^2 + 303^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (563777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15643 + ... + 15678.

2⁵⁶³⁷⁷⁸ is an apocalyptic number.

563778 is an abundant number, since it is smaller than the sum of its proper divisors (657780).

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

563778 is a wasteful number, since it uses less digits than its factorization.

563778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31329 (or 31326 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 563778 is about 750.8515166130. The cubic root of 563778 is about 82.6106504255.

The spelling of 563778 in words is "five hundred sixty-three thousand, seven hundred seventy-eight".