8270912197 has 2 divisors, whose sum is σ = 8270912198. Its totient is φ = 8270912196.

The previous prime is 8270912149. The next prime is 8270912213. The reversal of 8270912197 is 7912190728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6738111396 + 1532800801 = 82086^2 + 39151^2 .

It is a cyclic number.

It is not a de Polignac number, because 8270912197 - 2¹¹ = 8270910149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8270912147) 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, 4135456098 + 4135456099.

It is an arithmetic number, because the mean of its divisors is an integer number (4135456099).

Almost surely, 2^8270912197 is an apocalyptic number.

It is an amenable number.

8270912197 is a deficient number, since it is larger than the sum of its proper divisors (1).

8270912197 is an equidigital number, since it uses as much as digits as its factorization.

8270912197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 8270912197 is about 90944.5556204438. Note that the first 3 decimals coincide. The cubic root of 8270912197 is about 2022.3258669001.

The spelling of 8270912197 in words is "eight billion, two hundred seventy million, nine hundred twelve thousand, one hundred ninety-seven".