8196779 has 2 divisors, whose sum is σ = 8196780. Its totient is φ = 8196778.

The previous prime is 8196757. The next prime is 8196787. The reversal of 8196779 is 9776918.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8196779 - 2⁸ = 8196523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8196709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4098389 + 4098390.

It is an arithmetic number, because the mean of its divisors is an integer number (4098390).

Almost surely, 2^8196779 is an apocalyptic number.

8196779 is a deficient number, since it is larger than the sum of its proper divisors (1).

8196779 is an equidigital number, since it uses as much as digits as its factorization.

8196779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 47.

The square root of 8196779 is about 2863.0017464193. The cubic root of 8196779 is about 201.6265606408.

The spelling of 8196779 in words is "eight million, one hundred ninety-six thousand, seven hundred seventy-nine".