8747987 has 2 divisors, whose sum is σ = 8747988. Its totient is φ = 8747986.

The previous prime is 8747971. The next prime is 8748001. The reversal of 8747987 is 7897478.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8747987 - 2⁴ = 8747971 is a prime.

It is not a weakly prime, because it can be changed into another prime (8747917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4373993 + 4373994.

It is an arithmetic number, because the mean of its divisors is an integer number (4373994).

Almost surely, 2^8747987 is an apocalyptic number.

8747987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8747987 is an equidigital number, since it uses as much as digits as its factorization.

8747987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 50.

The square root of 8747987 is about 2957.6996128748. The cubic root of 8747987 is about 206.0484615931.

The spelling of 8747987 in words is "eight million, seven hundred forty-seven thousand, nine hundred eighty-seven".