89699189 has 2 divisors, whose sum is σ = 89699190. Its totient is φ = 89699188.

The previous prime is 89699177. The next prime is 89699221. The reversal of 89699189 is 98199698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82719025 + 6980164 = 9095^2 + 2642^2 .

It is a cyclic number.

It is not a de Polignac number, because 89699189 - 2⁴ = 89699173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89699119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44849594 + 44849595.

It is an arithmetic number, because the mean of its divisors is an integer number (44849595).

Almost surely, 2^89699189 is an apocalyptic number.

It is an amenable number.

89699189 is a deficient number, since it is larger than the sum of its proper divisors (1).

89699189 is an equidigital number, since it uses as much as digits as its factorization.

89699189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 59.

The square root of 89699189 is about 9470.9655790738. The cubic root of 89699189 is about 447.6406374234.

The spelling of 89699189 in words is "eighty-nine million, six hundred ninety-nine thousand, one hundred eighty-nine".