872217829185 has 32 divisors (see below), whose sum is σ = 1434306570240. Its totient is φ = 452439269568.

The previous prime is 872217829141. The next prime is 872217829211. The reversal of 872217829185 is 581928712278.

It is not a de Polignac number, because 872217829185 - 2¹⁰ = 872217828161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5413507 + ... + 5572296.

It is an arithmetic number, because the mean of its divisors is an integer number (44822080320).

Almost surely, 2^872217829185 is an apocalyptic number.

It is an amenable number.

872217829185 is a deficient number, since it is larger than the sum of its proper divisors (562088741055).

872217829185 is a wasteful number, since it uses less digits than its factorization.

872217829185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985957.

The product of its digits is 9031680, while the sum is 60.

The spelling of 872217829185 in words is "eight hundred seventy-two billion, two hundred seventeen million, eight hundred twenty-nine thousand, one hundred eighty-five".