8711987 has 2 divisors, whose sum is σ = 8711988. Its totient is φ = 8711986.

The previous prime is 8711971. The next prime is 8712017. The reversal of 8711987 is 7891178.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8711987 - 2⁴ = 8711971 is a prime.

It is not a weakly prime, because it can be changed into another prime (8711387) 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, 4355993 + 4355994.

It is an arithmetic number, because the mean of its divisors is an integer number (4355994).

Almost surely, 2^8711987 is an apocalyptic number.

8711987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8711987 is an equidigital number, since it uses as much as digits as its factorization.

8711987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 41.

The square root of 8711987 is about 2951.6075281107. The cubic root of 8711987 is about 205.7654272146.

The spelling of 8711987 in words is "eight million, seven hundred eleven thousand, nine hundred eighty-seven".