8260774189 has 2 divisors, whose sum is σ = 8260774190. Its totient is φ = 8260774188.

The previous prime is 8260774187. The next prime is 8260774199. The reversal of 8260774189 is 9814770628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6870752100 + 1390022089 = 82890^2 + 37283^2 .

It is a cyclic number.

It is not a de Polignac number, because 8260774189 - 2¹ = 8260774187 is a prime.

Together with 8260774187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8260774187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130387094 + 4130387095.

It is an arithmetic number, because the mean of its divisors is an integer number (4130387095).

Almost surely, 2^8260774189 is an apocalyptic number.

It is an amenable number.

8260774189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8260774189 is an equidigital number, since it uses as much as digits as its factorization.

8260774189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 8260774189 is about 90888.8012298545. The cubic root of 8260774189 is about 2021.4992455268.

The spelling of 8260774189 in words is "eight billion, two hundred sixty million, seven hundred seventy-four thousand, one hundred eighty-nine".