563878656 has 216 divisors, whose sum is σ = 1868543040. Its totient is φ = 161740800.

The previous prime is 563878621. The next prime is 563878681. The reversal of 563878656 is 656878365.

563878656 is a `hidden beast` number, since 563 + 8 + 78 + 6 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480951 + ... + 482121.

Almost surely, 2^563878656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 563878656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (934271520).

563878656 is an abundant number, since it is smaller than the sum of its proper divisors (1304664384).

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

563878656 is a wasteful number, since it uses less digits than its factorization.

563878656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1206 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The square root of 563878656 is about 23746.1292845803. The cubic root of 563878656 is about 826.1556652294.

The spelling of 563878656 in words is "five hundred sixty-three million, eight hundred seventy-eight thousand, six hundred fifty-six".