8218871899 has 8 divisors (see below), whose sum is σ = 9506165760. Its totient is φ = 6959870376.

The previous prime is 8218871861. The next prime is 8218871953. The reversal of 8218871899 is 9981788128.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8218871899 - 2⁹ = 8218871387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8218871299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7072459 + ... + 7073620.

It is an arithmetic number, because the mean of its divisors is an integer number (1188270720).

Almost surely, 2^8218871899 is an apocalyptic number.

8218871899 is a deficient number, since it is larger than the sum of its proper divisors (1287293861).

8218871899 is a wasteful number, since it uses less digits than its factorization.

8218871899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14146169.

The product of its digits is 4644864, while the sum is 61.

The square root of 8218871899 is about 90657.9941262766. The cubic root of 8218871899 is about 2018.0754714439.

The spelling of 8218871899 in words is "eight billion, two hundred eighteen million, eight hundred seventy-one thousand, eight hundred ninety-nine".