89920211 has 2 divisors, whose sum is σ = 89920212. Its totient is φ = 89920210.

The previous prime is 89920183. The next prime is 89920219. The reversal of 89920211 is 11202998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89920211 - 2⁶ = 89920147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89920219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44960105 + 44960106.

It is an arithmetic number, because the mean of its divisors is an integer number (44960106).

Almost surely, 2^89920211 is an apocalyptic number.

89920211 is a deficient number, since it is larger than the sum of its proper divisors (1).

89920211 is an equidigital number, since it uses as much as digits as its factorization.

89920211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 89920211 is about 9482.6267985195. The cubic root of 89920211 is about 448.0080033514.

The spelling of 89920211 in words is "eighty-nine million, nine hundred twenty thousand, two hundred eleven".