871351712728013 has 16 divisors (see below), whose sum is σ = 991898312933376. Its totient is φ = 757694182848240.

The previous prime is 871351712727941. The next prime is 871351712728093. The reversal of 871351712728013 is 310827217153178.

It is not a de Polignac number, because 871351712728013 - 2²⁶ = 871351645619149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 871351712728013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (871351712728093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59481620 + ... + 72668882.

It is an arithmetic number, because the mean of its divisors is an integer number (61993644558336).

Almost surely, 2^{871351712728013} is an apocalyptic number.

It is an amenable number.

871351712728013 is a deficient number, since it is larger than the sum of its proper divisors (120546600205363).

871351712728013 is a wasteful number, since it uses less digits than its factorization.

871351712728013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448464.

The product of its (nonzero) digits is 3951360, while the sum is 56.

The spelling of 871351712728013 in words is "eight hundred seventy-one trillion, three hundred fifty-one billion, seven hundred twelve million, seven hundred twenty-eight thousand, thirteen".