8747971 has 2 divisors, whose sum is σ = 8747972. Its totient is φ = 8747970.

The previous prime is 8747957. The next prime is 8747987. The reversal of 8747971 is 1797478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8747971 - 2¹¹ = 8745923 is a prime.

It is a d-powerful number, because it can be written as 8⁷ + 7⁴ + 4⁵ + 7⁷ + 9⁵ + 7⁸ + 1 .

It is not a weakly prime, because it can be changed into another prime (8747941) 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, 4373985 + 4373986.

It is an arithmetic number, because the mean of its divisors is an integer number (4373986).

Almost surely, 2^8747971 is an apocalyptic number.

8747971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8747971 is an equidigital number, since it uses as much as digits as its factorization.

8747971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 43.

The square root of 8747971 is about 2957.6969080688. The cubic root of 8747971 is about 206.0483359727.

The spelling of 8747971 in words is "eight million, seven hundred forty-seven thousand, nine hundred seventy-one".