897045859 has 2 divisors, whose sum is σ = 897045860. Its totient is φ = 897045858.

The previous prime is 897045763. The next prime is 897045883. The reversal of 897045859 is 958540798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 897045859 - 2⁷ = 897045731 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (897045559) 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, 448522929 + 448522930.

It is an arithmetic number, because the mean of its divisors is an integer number (448522930).

Almost surely, 2^897045859 is an apocalyptic number.

897045859 is a deficient number, since it is larger than the sum of its proper divisors (1).

897045859 is an equidigital number, since it uses as much as digits as its factorization.

897045859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 897045859 is about 29950.7238476802. The cubic root of 897045859 is about 964.4318593696.

The spelling of 897045859 in words is "eight hundred ninety-seven million, forty-five thousand, eight hundred fifty-nine".