8011705884671 has 4 divisors (see below), whose sum is σ = 8012349046032. Its totient is φ = 8011062723312.

The previous prime is 8011705884647. The next prime is 8011705884719. The reversal of 8011705884671 is 1764885071108.

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 8011705884671 - 2³⁰ = 8010632142847 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 (8011705884071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321561995 + ... + 321586908.

It is an arithmetic number, because the mean of its divisors is an integer number (2003087261508).

Almost surely, 2^{8011705884671} is an apocalyptic number.

8011705884671 is a deficient number, since it is larger than the sum of its proper divisors (643161361).

8011705884671 is a wasteful number, since it uses less digits than its factorization.

8011705884671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643161360.

The product of its (nonzero) digits is 3010560, while the sum is 56.

The spelling of 8011705884671 in words is "eight trillion, eleven billion, seven hundred five million, eight hundred eighty-four thousand, six hundred seventy-one".