9728276011 has 16 divisors (see below), whose sum is σ = 10007474400. Its totient is φ = 9451653120.

The previous prime is 9728275979. The next prime is 9728276017. The reversal of 9728276011 is 1106728279.

It is a cyclic number.

It is not a de Polignac number, because 9728276011 - 2⁵ = 9728275979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9728276017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8899981 + ... + 8901073.

It is an arithmetic number, because the mean of its divisors is an integer number (625467150).

Almost surely, 2^9728276011 is an apocalyptic number.

9728276011 is a deficient number, since it is larger than the sum of its proper divisors (279198389).

9728276011 is a wasteful number, since it uses less digits than its factorization.

9728276011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 9728276011 is about 98632.0232530997. The cubic root of 9728276011 is about 2134.7415081563.

The spelling of 9728276011 in words is "nine billion, seven hundred twenty-eight million, two hundred seventy-six thousand, eleven".