8679427 has 2 divisors, whose sum is σ = 8679428. Its totient is φ = 8679426.

The previous prime is 8679397. The next prime is 8679449. The reversal of 8679427 is 7249768.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8679427 is a prime.

8679427 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8679457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339713 + 4339714.

It is an arithmetic number, because the mean of its divisors is an integer number (4339714).

Almost surely, 2^8679427 is an apocalyptic number.

8679427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8679427 is an equidigital number, since it uses as much as digits as its factorization.

8679427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 8679427 is about 2946.0867264899. The cubic root of 8679427 is about 205.5087660514.

The spelling of 8679427 in words is "eight million, six hundred seventy-nine thousand, four hundred twenty-seven".