872664681215 has 8 divisors (see below), whose sum is σ = 1047209268480. Its totient is φ = 698123977632.

The previous prime is 872664681181. The next prime is 872664681233. The reversal of 872664681215 is 512186466278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 872664681215 - 2¹² = 872664677119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451295 + ... + 1396064.

It is an arithmetic number, because the mean of its divisors is an integer number (130901158560).

Almost surely, 2^872664681215 is an apocalyptic number.

872664681215 is a deficient number, since it is larger than the sum of its proper divisors (174544587265).

872664681215 is a wasteful number, since it uses less digits than its factorization.

872664681215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941841.

The product of its digits is 7741440, while the sum is 56.

The spelling of 872664681215 in words is "eight hundred seventy-two billion, six hundred sixty-four million, six hundred eighty-one thousand, two hundred fifteen".