8118791 has 2 divisors, whose sum is σ = 8118792. Its totient is φ = 8118790.

The previous prime is 8118767. The next prime is 8118823. The reversal of 8118791 is 1978118.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8118791 - 2⁶ = 8118727 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 (8118731) 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, 4059395 + 4059396.

It is an arithmetic number, because the mean of its divisors is an integer number (4059396).

Almost surely, 2^8118791 is an apocalyptic number.

8118791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118791 is an equidigital number, since it uses as much as digits as its factorization.

8118791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 35.

The square root of 8118791 is about 2849.3492239457. The cubic root of 8118791 is about 200.9850652666.

The spelling of 8118791 in words is "eight million, one hundred eighteen thousand, seven hundred ninety-one".