563261888 has 28 divisors (see below), whose sum is σ = 1277398512. Its totient is φ = 241397760.

The previous prime is 563261887. The next prime is 563261893. The reversal of 563261888 is 888162365.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563261887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628193 + ... + 629088.

Almost surely, 2^563261888 is an apocalyptic number.

It is an amenable number.

563261888 is an abundant number, since it is smaller than the sum of its proper divisors (714136624).

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

563261888 is a wasteful number, since it uses less digits than its factorization.

563261888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257300 (or 1257290 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 563261888 is about 23733.1390254218. The cubic root of 563261888 is about 825.8543401927.

The spelling of 563261888 in words is "five hundred sixty-three million, two hundred sixty-one thousand, eight hundred eighty-eight".