96920809 has 2 divisors, whose sum is σ = 96920810. Its totient is φ = 96920808.

The previous prime is 96920807. The next prime is 96920819. The reversal of 96920809 is 90802969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69672409 + 27248400 = 8347^2 + 5220^2 .

It is a cyclic number.

It is not a de Polignac number, because 96920809 - 2¹ = 96920807 is a prime.

Together with 96920807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (96920807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48460404 + 48460405.

It is an arithmetic number, because the mean of its divisors is an integer number (48460405).

Almost surely, 2^96920809 is an apocalyptic number.

It is an amenable number.

96920809 is a deficient number, since it is larger than the sum of its proper divisors (1).

96920809 is an equidigital number, since it uses as much as digits as its factorization.

96920809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 96920809 is about 9844.8366670047. The cubic root of 96920809 is about 459.3450177356.

The spelling of 96920809 in words is "ninety-six million, nine hundred twenty thousand, eight hundred nine".