985070897 has 2 divisors, whose sum is σ = 985070898. Its totient is φ = 985070896.

The previous prime is 985070873. The next prime is 985070951. The reversal of 985070897 is 798070589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500014321 + 485056576 = 22361^2 + 22024^2 .

It is a cyclic number.

It is not a de Polignac number, because 985070897 - 2⁸ = 985070641 is a prime.

It is not a weakly prime, because it can be changed into another prime (985030897) 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, 492535448 + 492535449.

It is an arithmetic number, because the mean of its divisors is an integer number (492535449).

Almost surely, 2^985070897 is an apocalyptic number.

It is an amenable number.

985070897 is a deficient number, since it is larger than the sum of its proper divisors (1).

985070897 is an equidigital number, since it uses as much as digits as its factorization.

985070897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 985070897 is about 31385.8391157541. The cubic root of 985070897 is about 994.9986606381.

The spelling of 985070897 in words is "nine hundred eighty-five million, seventy thousand, eight hundred ninety-seven".