89568893 has 2 divisors, whose sum is σ = 89568894. Its totient is φ = 89568892.

The previous prime is 89568881. The next prime is 89568901. The reversal of 89568893 is 39886598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88604569 + 964324 = 9413^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 89568893 - 2¹⁰ = 89567869 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89568803) 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, 44784446 + 44784447.

It is an arithmetic number, because the mean of its divisors is an integer number (44784447).

Almost surely, 2^89568893 is an apocalyptic number.

It is an amenable number.

89568893 is a deficient number, since it is larger than the sum of its proper divisors (1).

89568893 is an equidigital number, since it uses as much as digits as its factorization.

89568893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 56.

The square root of 89568893 is about 9464.0843719823. The cubic root of 89568893 is about 447.4237865277.

The spelling of 89568893 in words is "eighty-nine million, five hundred sixty-eight thousand, eight hundred ninety-three".