8670863 has 2 divisors, whose sum is σ = 8670864. Its totient is φ = 8670862.

The previous prime is 8670811. The next prime is 8670869. The reversal of 8670863 is 3680768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8670863 - 2¹² = 8666767 is a prime.

It is equal to p₅₈₁₈₉₇ and since 8670863 and 581897 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 (8670869) 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, 4335431 + 4335432.

It is an arithmetic number, because the mean of its divisors is an integer number (4335432).

Almost surely, 2^8670863 is an apocalyptic number.

8670863 is a deficient number, since it is larger than the sum of its proper divisors (1).

8670863 is an equidigital number, since it uses as much as digits as its factorization.

8670863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8670863 is about 2944.6329143036. The cubic root of 8670863 is about 205.4411519010.

The spelling of 8670863 in words is "eight million, six hundred seventy thousand, eight hundred sixty-three".