872719666271 has 2 divisors, whose sum is σ = 872719666272. Its totient is φ = 872719666270.

The previous prime is 872719666253. The next prime is 872719666321. The reversal of 872719666271 is 172666917278.

872719666271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872719666271 - 2¹⁴ = 872719649887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872719666211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436359833135 + 436359833136.

It is an arithmetic number, because the mean of its divisors is an integer number (436359833136).

Almost surely, 2^872719666271 is an apocalyptic number.

872719666271 is a deficient number, since it is larger than the sum of its proper divisors (1).

872719666271 is an equidigital number, since it uses as much as digits as its factorization.

872719666271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 62.

The spelling of 872719666271 in words is "eight hundred seventy-two billion, seven hundred nineteen million, six hundred sixty-six thousand, two hundred seventy-one".