872172716 has 6 divisors (see below), whose sum is σ = 1526302260. Its totient is φ = 436086356.

The previous prime is 872172689. The next prime is 872172731. The reversal of 872172716 is 617271278.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109021586 + ... + 109021593.

It is an arithmetic number, because the mean of its divisors is an integer number (254383710).

Almost surely, 2^872172716 is an apocalyptic number.

It is an amenable number.

872172716 is a deficient number, since it is larger than the sum of its proper divisors (654129544).

872172716 is a wasteful number, since it uses less digits than its factorization.

872172716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218043183 (or 218043181 counting only the distinct ones).

The product of its digits is 65856, while the sum is 41.

The square root of 872172716 is about 29532.5704265646. The cubic root of 872172716 is about 955.4343084567.

The spelling of 872172716 in words is "eight hundred seventy-two million, one hundred seventy-two thousand, seven hundred sixteen".