8472223728 has 80 divisors (see below), whose sum is σ = 25598361600. Its totient is φ = 2675436480.

The previous prime is 8472223699. The next prime is 8472223759. The reversal of 8472223728 is 8273222748.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507888 + ... + 524303.

It is an arithmetic number, because the mean of its divisors is an integer number (319979520).

Almost surely, 2^8472223728 is an apocalyptic number.

It is an amenable number.

8472223728 is an abundant number, since it is smaller than the sum of its proper divisors (17126137872).

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

8472223728 is a wasteful number, since it uses less digits than its factorization.

8472223728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032227 (or 1032215 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 8472223728 is about 92044.6833228297. The cubic root of 8472223728 is about 2038.6021219295.

The spelling of 8472223728 in words is "eight billion, four hundred seventy-two million, two hundred twenty-three thousand, seven hundred twenty-eight".