8196127769 has 2 divisors, whose sum is σ = 8196127770. Its totient is φ = 8196127768.

The previous prime is 8196127699. The next prime is 8196127799. The reversal of 8196127769 is 9677216918.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8192422144 + 3705625 = 90512^2 + 1925^2 .

It is a cyclic number.

It is not a de Polignac number, because 8196127769 - 2¹² = 8196123673 is a prime.

It is a super-2 number, since 2×8196127769² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8196127799) 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, 4098063884 + 4098063885.

It is an arithmetic number, because the mean of its divisors is an integer number (4098063885).

Almost surely, 2^8196127769 is an apocalyptic number.

It is an amenable number.

8196127769 is a deficient number, since it is larger than the sum of its proper divisors (1).

8196127769 is an equidigital number, since it uses as much as digits as its factorization.

8196127769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 56.

The square root of 8196127769 is about 90532.4680377156. The cubic root of 8196127769 is about 2016.2122078134.

The spelling of 8196127769 in words is "eight billion, one hundred ninety-six million, one hundred twenty-seven thousand, seven hundred sixty-nine".