9275668728 has 16 divisors (see below), whose sum is σ = 23189171880. Its totient is φ = 3091889568.

The previous prime is 9275668711. The next prime is 9275668757. The reversal of 9275668728 is 8278665729.

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 3 ways as a sum of consecutive naturals, for example, 193243075 + ... + 193243122.

Almost surely, 2^9275668728 is an apocalyptic number.

It is an amenable number.

9275668728 is an abundant number, since it is smaller than the sum of its proper divisors (13913503152).

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

9275668728 is a wasteful number, since it uses less digits than its factorization.

9275668728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386486206 (or 386486202 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The square root of 9275668728 is about 96310.2732215001. The cubic root of 9275668728 is about 2101.1081625160.

Subtracting from 9275668728 its reverse (8278665729), we obtain a cube (997002999 = 999³).

The spelling of 9275668728 in words is "nine billion, two hundred seventy-five million, six hundred sixty-eight thousand, seven hundred twenty-eight".