8619791 has 2 divisors, whose sum is σ = 8619792. Its totient is φ = 8619790.

The previous prime is 8619773. The next prime is 8619797. The reversal of 8619791 is 1979168.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8619791 - 2¹⁴ = 8603407 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is equal to p₅₇₈₆₉₆ and since 8619791 and 578696 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8619797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309895 + 4309896.

It is an arithmetic number, because the mean of its divisors is an integer number (4309896).

Almost surely, 2^8619791 is an apocalyptic number.

8619791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8619791 is an equidigital number, since it uses as much as digits as its factorization.

8619791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 41.

The square root of 8619791 is about 2935.9480581236. The cubic root of 8619791 is about 205.0370030369.

The spelling of 8619791 in words is "eight million, six hundred nineteen thousand, seven hundred ninety-one".