8999201297 has 2 divisors, whose sum is σ = 8999201298. Its totient is φ = 8999201296.

The previous prime is 8999201257. The next prime is 8999201347. The reversal of 8999201297 is 7921029998.

It is a happy number.

8999201297 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8999178496 + 22801 = 94864^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 8999201297 - 2¹² = 8999197201 is a prime.

It is not a weakly prime, because it can be changed into another prime (8999201257) 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, 4499600648 + 4499600649.

It is an arithmetic number, because the mean of its divisors is an integer number (4499600649).

Almost surely, 2^8999201297 is an apocalyptic number.

It is an amenable number.

8999201297 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999201297 is an equidigital number, since it uses as much as digits as its factorization.

8999201297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 8999201297 is about 94864.1201772303. The cubic root of 8999201297 is about 2080.0222890394.

The spelling of 8999201297 in words is "eight billion, nine hundred ninety-nine million, two hundred one thousand, two hundred ninety-seven".