89850109 has 2 divisors, whose sum is σ = 89850110. Its totient is φ = 89850108.

The previous prime is 89850067. The next prime is 89850127. The reversal of 89850109 is 90105898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62758084 + 27092025 = 7922^2 + 5205^2 .

It is a cyclic number.

It is not a de Polignac number, because 89850109 - 2¹⁷ = 89719037 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89850169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44925054 + 44925055.

It is an arithmetic number, because the mean of its divisors is an integer number (44925055).

Almost surely, 2^89850109 is an apocalyptic number.

It is an amenable number.

89850109 is a deficient number, since it is larger than the sum of its proper divisors (1).

89850109 is an equidigital number, since it uses as much as digits as its factorization.

89850109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 89850109 is about 9478.9297391636. The cubic root of 89850109 is about 447.8915503994.

The spelling of 89850109 in words is "eighty-nine million, eight hundred fifty thousand, one hundred nine".