872321608 has 32 divisors (see below), whose sum is σ = 1667952000. Its totient is φ = 427576000.

The previous prime is 872321591. The next prime is 872321609. The reversal of 872321608 is 806123278.

It is not an unprimeable number, because it can be changed into a prime (872321609) 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, 181233 + ... + 185983.

It is an arithmetic number, because the mean of its divisors is an integer number (52123500).

Almost surely, 2^872321608 is an apocalyptic number.

It is an amenable number.

872321608 is a deficient number, since it is larger than the sum of its proper divisors (795630392).

872321608 is a wasteful number, since it uses less digits than its factorization.

872321608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5205 (or 5201 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 872321608 is about 29535.0911290282. The cubic root of 872321608 is about 955.4886740001.

The spelling of 872321608 in words is "eight hundred seventy-two million, three hundred twenty-one thousand, six hundred eight".