27943802896 has 75 divisors (see below), whose sum is σ = 57327620511. Its totient is φ = 13195257504.

The previous prime is 27943802893. The next prime is 27943802897. The reversal of 27943802896 is 69820834972.

The square root of 27943802896 is 167164.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×27943802896³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27943802896.

It is not an unprimeable number, because it can be changed into a prime (27943802893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 353718985 + ... + 353719063.

Almost surely, 2^27943802896 is an apocalyptic number.

27943802896 is the 167164-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27943802896

27943802896 is an abundant number, since it is smaller than the sum of its proper divisors (29383817615).

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

27943802896 is an frugal number, since it uses more digits than its factorization.

27943802896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 27943802896 in words is "twenty-seven billion, nine hundred forty-three million, eight hundred two thousand, eight hundred ninety-six".