8001328271 has 4 divisors (see below), whose sum is σ = 8007595272. Its totient is φ = 7995061272.

The previous prime is 8001328213. The next prime is 8001328303. The reversal of 8001328271 is 1728231008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8001328271 - 2¹⁰ = 8001327247 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 (8001328571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3131585 + ... + 3134138.

It is an arithmetic number, because the mean of its divisors is an integer number (2001898818).

Almost surely, 2^8001328271 is an apocalyptic number.

8001328271 is a deficient number, since it is larger than the sum of its proper divisors (6267001).

8001328271 is a wasteful number, since it uses less digits than its factorization.

8001328271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267000.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 8001328271 is about 89450.1440524273. The cubic root of 8001328271 is about 2000.1106831245.

Adding to 8001328271 its reverse (1728231008), we get a palindrome (9729559279).

The spelling of 8001328271 in words is "eight billion, one million, three hundred twenty-eight thousand, two hundred seventy-one".