89950517 has 2 divisors, whose sum is σ = 89950518. Its totient is φ = 89950516.

The previous prime is 89950507. The next prime is 89950529. The reversal of 89950517 is 71505998.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 10491121 = 8914^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 89950517 - 2¹⁸ = 89688373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89950507) 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, 44975258 + 44975259.

It is an arithmetic number, because the mean of its divisors is an integer number (44975259).

Almost surely, 2^89950517 is an apocalyptic number.

It is an amenable number.

89950517 is a deficient number, since it is larger than the sum of its proper divisors (1).

89950517 is an equidigital number, since it uses as much as digits as its factorization.

89950517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 89950517 is about 9484.2246388411. The cubic root of 89950517 is about 448.0583287282.

The spelling of 89950517 in words is "eighty-nine million, nine hundred fifty thousand, five hundred seventeen".