12927828789840 has 80 divisors (see below), whose sum is σ = 40076692802496. Its totient is φ = 3447384576000.

The previous prime is 12927828789803. The next prime is 12927828789857. The reversal of 12927828789840 is 4898782872921.

It is a Cunningham number, because it is equal to 3595529²-1.

It is a tau number, because it is divible by the number of its divisors (80).

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, 28539520 + ... + 28988960.

Almost surely, 2^{12927828789840} is an apocalyptic number.

12927828789840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12927828789840 is an abundant number, since it is smaller than the sum of its proper divisors (27148864012656).

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

12927828789840 is a wasteful number, since it uses less digits than its factorization.

12927828789840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569308 (or 569302 counting only the distinct ones).

The product of its (nonzero) digits is 520224768, while the sum is 75.

The spelling of 12927828789840 in words is "twelve trillion, nine hundred twenty-seven billion, eight hundred twenty-eight million, seven hundred eighty-nine thousand, eight hundred forty".