566477856 has 288 divisors, whose sum is σ = 2025354240. Its totient is φ = 146437632.

The previous prime is 566477839. The next prime is 566477867. The reversal of 566477856 is 658774665.

566477856 is a `hidden beast` number, since 566 + 4 + 7 + 78 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×566477856² = 641794322676713472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 880671 + ... + 881313.

It is an arithmetic number, because the mean of its divisors is an integer number (7032480).

Almost surely, 2^566477856 is an apocalyptic number.

566477856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566477856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012677120).

566477856 is an abundant number, since it is smaller than the sum of its proper divisors (1458876384).

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

566477856 is a wasteful number, since it uses less digits than its factorization.

566477856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 697 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The square root of 566477856 is about 23800.7952808304. The cubic root of 566477856 is about 827.4231086235.

The spelling of 566477856 in words is "five hundred sixty-six million, four hundred seventy-seven thousand, eight hundred fifty-six".