8971816272 has 20 divisors (see below), whose sum is σ = 23177192160. Its totient is φ = 2990605408.

The previous prime is 8971816261. The next prime is 8971816279. The reversal of 8971816272 is 2726181798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971816279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93456372 + ... + 93456467.

It is an arithmetic number, because the mean of its divisors is an integer number (1158859608).

Almost surely, 2^8971816272 is an apocalyptic number.

It is an amenable number.

8971816272 is an abundant number, since it is smaller than the sum of its proper divisors (14205375888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8971816272 is a wasteful number, since it uses less digits than its factorization.

8971816272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186912850 (or 186912844 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The square root of 8971816272 is about 94719.6720433512. The cubic root of 8971816272 is about 2077.9102742337.

The spelling of 8971816272 in words is "eight billion, nine hundred seventy-one million, eight hundred sixteen thousand, two hundred seventy-two".