8425687 has 2 divisors, whose sum is σ = 8425688. Its totient is φ = 8425686.

The previous prime is 8425679. The next prime is 8425691. The reversal of 8425687 is 7865248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8425687 - 2³ = 8425679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8425657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212843 + 4212844.

It is an arithmetic number, because the mean of its divisors is an integer number (4212844).

Almost surely, 2^8425687 is an apocalyptic number.

8425687 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425687 is an equidigital number, since it uses as much as digits as its factorization.

8425687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 40.

The square root of 8425687 is about 2902.7033951129. The cubic root of 8425687 is about 203.4862682329.

The spelling of 8425687 in words is "eight million, four hundred twenty-five thousand, six hundred eighty-seven".