9771332928 has 112 divisors (see below), whose sum is σ = 30499897344. Its totient is φ = 2701739520.

The previous prime is 9771332917. The next prime is 9771332933. The reversal of 9771332928 is 8292331779.

It is a tau number, because it is divible by the number of its divisors (112).

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, 75600 + ... + 158927.

It is an arithmetic number, because the mean of its divisors is an integer number (272320512).

Almost surely, 2^9771332928 is an apocalyptic number.

It is an amenable number.

9771332928 is an abundant number, since it is smaller than the sum of its proper divisors (20728564416).

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

9771332928 is a wasteful number, since it uses less digits than its factorization.

9771332928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234580 (or 234570 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 9771332928 is about 98850.0527465717. The cubic root of 9771332928 is about 2137.8862968050.

The spelling of 9771332928 in words is "nine billion, seven hundred seventy-one million, three hundred thirty-two thousand, nine hundred twenty-eight".