872165304281 has 8 divisors (see below), whose sum is σ = 875546172864. Its totient is φ = 868784926000.

The previous prime is 872165304271. The next prime is 872165304301. The reversal of 872165304281 is 182403561278.

872165304281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 872165304281 - 2¹⁰ = 872165303257 is a prime.

It is a super-2 number, since 2×872165304281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872165304271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3668531 + ... + 3899031.

It is an arithmetic number, because the mean of its divisors is an integer number (109443271608).

Almost surely, 2^872165304281 is an apocalyptic number.

It is an amenable number.

872165304281 is a deficient number, since it is larger than the sum of its proper divisors (3380868583).

872165304281 is a wasteful number, since it uses less digits than its factorization.

872165304281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245151.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 872165304281 in words is "eight hundred seventy-two billion, one hundred sixty-five million, three hundred four thousand, two hundred eighty-one".