872321465806 has 12 divisors (see below), whose sum is σ = 1522111945608. Its totient is φ = 373852056732.

The previous prime is 872321465737. The next prime is 872321465879. The reversal of 872321465806 is 608564123278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4450619626 + ... + 4450619821.

It is an arithmetic number, because the mean of its divisors is an integer number (126842662134).

Almost surely, 2^872321465806 is an apocalyptic number.

872321465806 is a deficient number, since it is larger than the sum of its proper divisors (649790479802).

872321465806 is a wasteful number, since it uses less digits than its factorization.

872321465806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901239463 (or 8901239456 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 872321465806 in words is "eight hundred seventy-two billion, three hundred twenty-one million, four hundred sixty-five thousand, eight hundred six".