9627221328 has 40 divisors (see below), whose sum is σ = 24889776000. Its totient is φ = 3206563584.

The previous prime is 9627221311. The next prime is 9627221339. The reversal of 9627221328 is 8231227269.

It is a self number, because there is not a number n which added to its sum of digits gives 9627221328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15928 + ... + 139671.

It is an arithmetic number, because the mean of its divisors is an integer number (622244400).

Almost surely, 2^9627221328 is an apocalyptic number.

It is an amenable number.

9627221328 is an abundant number, since it is smaller than the sum of its proper divisors (15262554672).

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

9627221328 is a wasteful number, since it uses less digits than its factorization.

9627221328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156899 (or 156893 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 9627221328 is about 98118.4046344008. The cubic root of 9627221328 is about 2127.3240605255.

The spelling of 9627221328 in words is "nine billion, six hundred twenty-seven million, two hundred twenty-one thousand, three hundred twenty-eight".