9965759 has 2 divisors, whose sum is σ = 9965760. Its totient is φ = 9965758.

The previous prime is 9965743. The next prime is 9965777. The reversal of 9965759 is 9575699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9965759 - 2⁴ = 9965743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9965729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982879 + 4982880.

It is an arithmetic number, because the mean of its divisors is an integer number (4982880).

Almost surely, 2^9965759 is an apocalyptic number.

9965759 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965759 is an equidigital number, since it uses as much as digits as its factorization.

9965759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 765450, while the sum is 50.

The square root of 9965759 is about 3156.8590402487. The cubic root of 9965759 is about 215.1972878119.

The spelling of 9965759 in words is "nine million, nine hundred sixty-five thousand, seven hundred fifty-nine".