9478979328 has 288 divisors, whose sum is σ = 32405216256. Its totient is φ = 2390851584.

The previous prime is 9478979311. The next prime is 9478979371. The reversal of 9478979328 is 8239798749.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1604476 + ... + 1610372.

It is an arithmetic number, because the mean of its divisors is an integer number (112518112).

Almost surely, 2^9478979328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9478979328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16202608128).

9478979328 is an abundant number, since it is smaller than the sum of its proper divisors (22926236928).

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

9478979328 is a wasteful number, since it uses less digits than its factorization.

9478979328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959 (or 5945 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 66.

The square root of 9478979328 is about 97360.0499589025. The cubic root of 9478979328 is about 2116.3485357772.

The spelling of 9478979328 in words is "nine billion, four hundred seventy-eight million, nine hundred seventy-nine thousand, three hundred twenty-eight".