563894768 has 20 divisors (see below), whose sum is σ = 1150049160. Its totient is φ = 267107904.

The previous prime is 563894761. The next prime is 563894803. The reversal of 563894768 is 867498365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563894761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927155 + ... + 927762.

It is an arithmetic number, because the mean of its divisors is an integer number (57502458).

Almost surely, 2^563894768 is an apocalyptic number.

It is an amenable number.

563894768 is an abundant number, since it is smaller than the sum of its proper divisors (586154392).

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

563894768 is a wasteful number, since it uses less digits than its factorization.

563894768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854944 (or 1854938 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The square root of 563894768 is about 23746.4685374478. The cubic root of 563894768 is about 826.1635338805.

The spelling of 563894768 in words is "five hundred sixty-three million, eight hundred ninety-four thousand, seven hundred sixty-eight".