896080721 has 2 divisors, whose sum is σ = 896080722. Its totient is φ = 896080720.

The previous prime is 896080711. The next prime is 896080723. The reversal of 896080721 is 127080698.

896080721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 894010000 + 2070721 = 29900^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 896080721 - 2¹⁰ = 896079697 is a prime.

It is a Sophie Germain prime.

Together with 896080723, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (896080723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448040360 + 448040361.

It is an arithmetic number, because the mean of its divisors is an integer number (448040361).

Almost surely, 2^896080721 is an apocalyptic number.

It is an amenable number.

896080721 is a deficient number, since it is larger than the sum of its proper divisors (1).

896080721 is an equidigital number, since it uses as much as digits as its factorization.

896080721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 896080721 is about 29934.6074134938. The cubic root of 896080721 is about 964.0858555587.

The spelling of 896080721 in words is "eight hundred ninety-six million, eighty thousand, seven hundred twenty-one".