9727313828 has 36 divisors (see below), whose sum is σ = 17434322892. Its totient is φ = 4748789760.

The previous prime is 9727313803. The next prime is 9727313831. The reversal of 9727313828 is 8283137279.

It can be written as a sum of positive squares in 2 ways, for example, as 838218304 + 8889095524 = 28952^2 + 94282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4602500 + ... + 4604612.

It is an arithmetic number, because the mean of its divisors is an integer number (484286747).

Almost surely, 2^9727313828 is an apocalyptic number.

It is an amenable number.

9727313828 is a deficient number, since it is larger than the sum of its proper divisors (7707009064).

9727313828 is a wasteful number, since it uses less digits than its factorization.

9727313828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732 (or 2683 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 9727313828 is about 98627.1454925063. The cubic root of 9727313828 is about 2134.6711263913.

The spelling of 9727313828 in words is "nine billion, seven hundred twenty-seven million, three hundred thirteen thousand, eight hundred twenty-eight".