89567741 has 2 divisors, whose sum is σ = 89567742. Its totient is φ = 89567740.

The previous prime is 89567693. The next prime is 89567783. The reversal of 89567741 is 14776598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 19175641 = 8390^2 + 4379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89567741 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (89567791) 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, 44783870 + 44783871.

It is an arithmetic number, because the mean of its divisors is an integer number (44783871).

Almost surely, 2^89567741 is an apocalyptic number.

It is an amenable number.

89567741 is a deficient number, since it is larger than the sum of its proper divisors (1).

89567741 is an equidigital number, since it uses as much as digits as its factorization.

89567741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 89567741 is about 9464.0235101145. The cubic root of 89567741 is about 447.4218683231.

The spelling of 89567741 in words is "eighty-nine million, five hundred sixty-seven thousand, seven hundred forty-one".