11727326828 has 24 divisors (see below), whose sum is σ = 23565825024. Its totient is φ = 5002174800.

The previous prime is 11727326827. The next prime is 11727326837. The reversal of 11727326828 is 82862372711.

It is not an unprimeable number, because it can be changed into a prime (11727326827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986588 + ... + 998403.

It is an arithmetic number, because the mean of its divisors is an integer number (981909376).

Almost surely, 2^11727326828 is an apocalyptic number.

It is an amenable number.

11727326828 is an abundant number, since it is smaller than the sum of its proper divisors (11838498196).

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

11727326828 is a wasteful number, since it uses less digits than its factorization.

11727326828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985213 (or 1985211 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The spelling of 11727326828 in words is "eleven billion, seven hundred twenty-seven million, three hundred twenty-six thousand, eight hundred twenty-eight".