8889871 has 2 divisors, whose sum is σ = 8889872. Its totient is φ = 8889870.

The previous prime is 8889851. The next prime is 8889877. The reversal of 8889871 is 1789888.

8889871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8889871 is a prime.

It is a super-3 number, since 3×8889871³ (a number of 22 digits) contains 333 as substring.

8889871 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8889877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444935 + 4444936.

It is an arithmetic number, because the mean of its divisors is an integer number (4444936).

Almost surely, 2^8889871 is an apocalyptic number.

8889871 is a deficient number, since it is larger than the sum of its proper divisors (1).

8889871 is an equidigital number, since it uses as much as digits as its factorization.

8889871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 49.

The square root of 8889871 is about 2981.5886704910. The cubic root of 8889871 is about 207.1564625682.

The spelling of 8889871 in words is "eight million, eight hundred eighty-nine thousand, eight hundred seventy-one".