8270775197 has 2 divisors, whose sum is σ = 8270775198. Its totient is φ = 8270775196.

The previous prime is 8270775193. The next prime is 8270775209. The reversal of 8270775197 is 7915770728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4823441401 + 3447333796 = 69451^2 + 58714^2 .

It is a cyclic number.

It is not a de Polignac number, because 8270775197 - 2² = 8270775193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8270775193) 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, 4135387598 + 4135387599.

It is an arithmetic number, because the mean of its divisors is an integer number (4135387599).

Almost surely, 2^8270775197 is an apocalyptic number.

It is an amenable number.

8270775197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8270775197 is an equidigital number, since it uses as much as digits as its factorization.

8270775197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728720, while the sum is 53.

The square root of 8270775197 is about 90943.8024111594. The cubic root of 8270775197 is about 2022.3147008535.

The spelling of 8270775197 in words is "eight billion, two hundred seventy million, seven hundred seventy-five thousand, one hundred ninety-seven".