8163427 has 2 divisors, whose sum is σ = 8163428. Its totient is φ = 8163426.

The previous prime is 8163401. The next prime is 8163457. The reversal of 8163427 is 7243618.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8163427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8163457) 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, 4081713 + 4081714.

It is an arithmetic number, because the mean of its divisors is an integer number (4081714).

Almost surely, 2^8163427 is an apocalyptic number.

8163427 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163427 is an equidigital number, since it uses as much as digits as its factorization.

8163427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 8163427 is about 2857.1711534313. The cubic root of 8163427 is about 201.3527217585.

The spelling of 8163427 in words is "eight million, one hundred sixty-three thousand, four hundred twenty-seven".