8319791 has 2 divisors, whose sum is σ = 8319792. Its totient is φ = 8319790.

The previous prime is 8319757. The next prime is 8319803. The reversal of 8319791 is 1979138.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8319791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8319391) 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, 4159895 + 4159896.

It is an arithmetic number, because the mean of its divisors is an integer number (4159896).

Almost surely, 2^8319791 is an apocalyptic number.

8319791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8319791 is an equidigital number, since it uses as much as digits as its factorization.

8319791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 8319791 is about 2884.4047912871. The cubic root of 8319791 is about 202.6301840326.

The spelling of 8319791 in words is "eight million, three hundred nineteen thousand, seven hundred ninety-one".