8211871413 has 24 divisors (see below), whose sum is σ = 11905612992. Its totient is φ = 5454304128.

The previous prime is 8211871363. The next prime is 8211871429. The reversal of 8211871413 is 3141781128.

It is not a de Polignac number, because 8211871413 - 2¹⁸ = 8211609269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8211873413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4765170 + ... + 4766892.

It is an arithmetic number, because the mean of its divisors is an integer number (496067208).

Almost surely, 2^8211871413 is an apocalyptic number.

It is an amenable number.

8211871413 is a deficient number, since it is larger than the sum of its proper divisors (3693741579).

8211871413 is a wasteful number, since it uses less digits than its factorization.

8211871413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385 (or 3382 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 8211871413 is about 90619.3765869088. The cubic root of 8211871413 is about 2017.5023383656.

The spelling of 8211871413 in words is "eight billion, two hundred eleven million, eight hundred seventy-one thousand, four hundred thirteen".