9876871 has 2 divisors, whose sum is σ = 9876872. Its totient is φ = 9876870.

The previous prime is 9876857. The next prime is 9876883. The reversal of 9876871 is 1786789.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9876871 - 2⁹ = 9876359 is a prime.

It is a super-4 number, since 4×9876871⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9876851) 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, 4938435 + 4938436.

It is an arithmetic number, because the mean of its divisors is an integer number (4938436).

Almost surely, 2^9876871 is an apocalyptic number.

9876871 is a deficient number, since it is larger than the sum of its proper divisors (1).

9876871 is an equidigital number, since it uses as much as digits as its factorization.

9876871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 46.

The square root of 9876871 is about 3142.7489559301. The cubic root of 9876871 is about 214.5555701369. Note that the first 4 decimals are identical.

The spelling of 9876871 in words is "nine million, eight hundred seventy-six thousand, eight hundred seventy-one".