8823356561 has 2 divisors, whose sum is σ = 8823356562. Its totient is φ = 8823356560.

The previous prime is 8823356557. The next prime is 8823356567. The reversal of 8823356561 is 1656533288.

8823356561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8696681536 + 126675025 = 93256^2 + 11255^2 .

It is a cyclic number.

It is not a de Polignac number, because 8823356561 - 2² = 8823356557 is a prime.

It is not a weakly prime, because it can be changed into another prime (8823356567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4411678280 + 4411678281.

It is an arithmetic number, because the mean of its divisors is an integer number (4411678281).

Almost surely, 2^8823356561 is an apocalyptic number.

It is an amenable number.

8823356561 is a deficient number, since it is larger than the sum of its proper divisors (1).

8823356561 is an equidigital number, since it uses as much as digits as its factorization.

8823356561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 47.

The square root of 8823356561 is about 93932.7235898119. The cubic root of 8823356561 is about 2066.3851713576.

The spelling of 8823356561 in words is "eight billion, eight hundred twenty-three million, three hundred fifty-six thousand, five hundred sixty-one".