8425585897 has 2 divisors, whose sum is σ = 8425585898. Its totient is φ = 8425585896.

The previous prime is 8425585873. The next prime is 8425585979. The reversal of 8425585897 is 7985855248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5050092096 + 3375493801 = 71064^2 + 58099^2 .

It is a cyclic number.

It is not a de Polignac number, because 8425585897 - 2¹¹ = 8425583849 is a prime.

It is not a weakly prime, because it can be changed into another prime (8425585807) 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, 4212792948 + 4212792949.

It is an arithmetic number, because the mean of its divisors is an integer number (4212792949).

Almost surely, 2^8425585897 is an apocalyptic number.

It is an amenable number.

8425585897 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425585897 is an equidigital number, since it uses as much as digits as its factorization.

8425585897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256000, while the sum is 61.

The square root of 8425585897 is about 91790.9902822712. The cubic root of 8425585897 is about 2034.8545432680.

The spelling of 8425585897 in words is "eight billion, four hundred twenty-five million, five hundred eighty-five thousand, eight hundred ninety-seven".