566784445 has 4 divisors (see below), whose sum is σ = 680141340. Its totient is φ = 453427552.

The previous prime is 566784431. The next prime is 566784487. The reversal of 566784445 is 544487665.

566784445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544487665 = 5 ⋅108897533.

It can be written as a sum of positive squares in 2 ways, for example, as 57198969 + 509585476 = 7563^2 + 22574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566784445 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56678440 + ... + 56678449.

It is an arithmetic number, because the mean of its divisors is an integer number (170035335).

Almost surely, 2^566784445 is an apocalyptic number.

It is an amenable number.

566784445 is a deficient number, since it is larger than the sum of its proper divisors (113356895).

566784445 is a wasteful number, since it uses less digits than its factorization.

566784445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113356894.

The product of its digits is 3225600, while the sum is 49.

The square root of 566784445 is about 23807.2351397637. The cubic root of 566784445 is about 827.5723542761.

The spelling of 566784445 in words is "five hundred sixty-six million, seven hundred eighty-four thousand, four hundred forty-five".