8681871 has 12 divisors (see below), whose sum is σ = 12724376. Its totient is φ = 5261520.

The previous prime is 8681857. The next prime is 8681899. The reversal of 8681871 is 1781868.

8681871 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8681871 - 2⁹ = 8681359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11596 + ... + 12321.

Almost surely, 2^8681871 is an apocalyptic number.

8681871 is a deficient number, since it is larger than the sum of its proper divisors (4042505).

8681871 is a wasteful number, since it uses less digits than its factorization.

8681871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23942 (or 23931 counting only the distinct ones).

The product of its digits is 21504, while the sum is 39.

The square root of 8681871 is about 2946.5014848121. The cubic root of 8681871 is about 205.5280536644.

The spelling of 8681871 in words is "eight million, six hundred eighty-one thousand, eight hundred seventy-one".