563821782 has 16 divisors (see below), whose sum is σ = 1130488752. Its totient is φ = 187466400.

The previous prime is 563821781. The next prime is 563821801. The reversal of 563821782 is 287128365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563821781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115969 + ... + 120732.

It is an arithmetic number, because the mean of its divisors is an integer number (70655547).

Almost surely, 2^563821782 is an apocalyptic number.

563821782 is an abundant number, since it is smaller than the sum of its proper divisors (566666970).

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

563821782 is a wasteful number, since it uses less digits than its factorization.

563821782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237103.

The product of its digits is 161280, while the sum is 42.

The square root of 563821782 is about 23744.9317118412. The cubic root of 563821782 is about 826.1278883566.

The spelling of 563821782 in words is "five hundred sixty-three million, eight hundred twenty-one thousand, seven hundred eighty-two".