8660987 has 2 divisors, whose sum is σ = 8660988. Its totient is φ = 8660986.

The previous prime is 8660983. The next prime is 8661001. The reversal of 8660987 is 7890668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8660987 - 2² = 8660983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8660983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4330493 + 4330494.

It is an arithmetic number, because the mean of its divisors is an integer number (4330494).

Almost surely, 2^8660987 is an apocalyptic number.

8660987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8660987 is an equidigital number, since it uses as much as digits as its factorization.

8660987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 8660987 is about 2942.9554872611. The cubic root of 8660987 is about 205.3631240040.

The spelling of 8660987 in words is "eight million, six hundred sixty thousand, nine hundred eighty-seven".