897022829 has 2 divisors, whose sum is σ = 897022830. Its totient is φ = 897022828.

The previous prime is 897022781. The next prime is 897022897. The reversal of 897022829 is 928220798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 761649604 + 135373225 = 27598^2 + 11635^2 .

It is a cyclic number.

It is not a de Polignac number, because 897022829 - 2⁸ = 897022573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897012829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448511414 + 448511415.

It is an arithmetic number, because the mean of its divisors is an integer number (448511415).

Almost surely, 2^897022829 is an apocalyptic number.

It is an amenable number.

897022829 is a deficient number, since it is larger than the sum of its proper divisors (1).

897022829 is an equidigital number, since it uses as much as digits as its factorization.

897022829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 897022829 is about 29950.3393803810. The cubic root of 897022829 is about 964.4236059618.

The spelling of 897022829 in words is "eight hundred ninety-seven million, twenty-two thousand, eight hundred twenty-nine".