872186067223 has 4 divisors (see below), whose sum is σ = 888642408168. Its totient is φ = 855729726280.

The previous prime is 872186067167. The next prime is 872186067353. The reversal of 872186067223 is 322760681278.

It is a happy number.

872186067223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 872186067223 - 2²⁹ = 871649196311 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 (872186064223) 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, 8228170393 + ... + 8228170498.

It is an arithmetic number, because the mean of its divisors is an integer number (222160602042).

Almost surely, 2^872186067223 is an apocalyptic number.

872186067223 is a deficient number, since it is larger than the sum of its proper divisors (16456340945).

872186067223 is a wasteful number, since it uses less digits than its factorization.

872186067223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456340944.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 872186067223 in words is "eight hundred seventy-two billion, one hundred eighty-six million, sixty-seven thousand, two hundred twenty-three".