868214297 has 2 divisors, whose sum is σ = 868214298. Its totient is φ = 868214296.

The previous prime is 868214273. The next prime is 868214351. The reversal of 868214297 is 792412868.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495685696 + 372528601 = 22264^2 + 19301^2 .

It is a cyclic number.

It is not a de Polignac number, because 868214297 - 2¹² = 868210201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (868214257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434107148 + 434107149.

It is an arithmetic number, because the mean of its divisors is an integer number (434107149).

Almost surely, 2^868214297 is an apocalyptic number.

It is an amenable number.

868214297 is a deficient number, since it is larger than the sum of its proper divisors (1).

868214297 is an equidigital number, since it uses as much as digits as its factorization.

868214297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 47.

The square root of 868214297 is about 29465.4763579346. The cubic root of 868214297 is about 953.9866802665.

The spelling of 868214297 in words is "eight hundred sixty-eight million, two hundred fourteen thousand, two hundred ninety-seven".