872744468861 has 8 divisors (see below), whose sum is σ = 924090695424. Its totient is φ = 821399166400.

The previous prime is 872744468851. The next prime is 872744468867. The reversal of 872744468861 is 168864447278.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872744468861 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 (872744468867) 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, 3023126 + ... + 3299208.

It is an arithmetic number, because the mean of its divisors is an integer number (115511336928).

Almost surely, 2^872744468861 is an apocalyptic number.

It is an amenable number.

872744468861 is a deficient number, since it is larger than the sum of its proper divisors (51346226563).

872744468861 is a wasteful number, since it uses less digits than its factorization.

872744468861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462051.

The product of its digits is 115605504, while the sum is 65.

The spelling of 872744468861 in words is "eight hundred seventy-two billion, seven hundred forty-four million, four hundred sixty-eight thousand, eight hundred sixty-one".