8245997197 has 2 divisors, whose sum is σ = 8245997198. Its totient is φ = 8245997196.

The previous prime is 8245997189. The next prime is 8245997213. The reversal of 8245997197 is 7917995428.

8245997197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4952499876 + 3293497321 = 70374^2 + 57389^2 .

It is a cyclic number.

It is not a de Polignac number, because 8245997197 - 2³ = 8245997189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8245997107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122998598 + 4122998599.

It is an arithmetic number, because the mean of its divisors is an integer number (4122998599).

Almost surely, 2^8245997197 is an apocalyptic number.

It is an amenable number.

8245997197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8245997197 is an equidigital number, since it uses as much as digits as its factorization.

8245997197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 61.

The square root of 8245997197 is about 90807.4732442215. The cubic root of 8245997197 is about 2020.2931637542.

The spelling of 8245997197 in words is "eight billion, two hundred forty-five million, nine hundred ninety-seven thousand, one hundred ninety-seven".