96989909 has 2 divisors, whose sum is σ = 96989910. Its totient is φ = 96989908.

The previous prime is 96989903. The next prime is 96989933. The reversal of 96989909 is 90998969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95609284 + 1380625 = 9778^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 96989909 - 2⁸ = 96989653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (96989903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48494954 + 48494955.

It is an arithmetic number, because the mean of its divisors is an integer number (48494955).

Almost surely, 2^96989909 is an apocalyptic number.

It is an amenable number.

96989909 is a deficient number, since it is larger than the sum of its proper divisors (1).

96989909 is an equidigital number, since it uses as much as digits as its factorization.

96989909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2834352, while the sum is 59.

The square root of 96989909 is about 9848.3454955642. The cubic root of 96989909 is about 459.4541556349.

The spelling of 96989909 in words is "ninety-six million, nine hundred eighty-nine thousand, nine hundred nine".