8687387 has 2 divisors, whose sum is σ = 8687388. Its totient is φ = 8687386.

The previous prime is 8687383. The next prime is 8687401. The reversal of 8687387 is 7837868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8687387 - 2² = 8687383 is a prime.

It is not a weakly prime, because it can be changed into another prime (8687381) 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, 4343693 + 4343694.

It is an arithmetic number, because the mean of its divisors is an integer number (4343694).

Almost surely, 2^8687387 is an apocalyptic number.

8687387 is a deficient number, since it is larger than the sum of its proper divisors (1).

8687387 is an equidigital number, since it uses as much as digits as its factorization.

8687387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 8687387 is about 2947.4373615058. The cubic root of 8687387 is about 205.5715716547.

The spelling of 8687387 in words is "eight million, six hundred eighty-seven thousand, three hundred eighty-seven".