89311583 has 2 divisors, whose sum is σ = 89311584. Its totient is φ = 89311582.

The previous prime is 89311577. The next prime is 89311601. The reversal of 89311583 is 38511398.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89311583 - 2⁴ = 89311567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89311283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44655791 + 44655792.

It is an arithmetic number, because the mean of its divisors is an integer number (44655792).

Almost surely, 2^89311583 is an apocalyptic number.

89311583 is a deficient number, since it is larger than the sum of its proper divisors (1).

89311583 is an equidigital number, since it uses as much as digits as its factorization.

89311583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 89311583 is about 9450.4805697911. The cubic root of 89311583 is about 446.9949284325.

The spelling of 89311583 in words is "eighty-nine million, three hundred eleven thousand, five hundred eighty-three".