27943968360 has 256 divisors, whose sum is σ = 104649615360. Its totient is φ = 5799214080.

The previous prime is 27943968307. The next prime is 27943968361. The reversal of 27943968360 is 6386934972.

It is a self number, because there is not a number n which added to its sum of digits gives 27943968360.

It is not an unprimeable number, because it can be changed into a prime (27943968361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10375174 + ... + 10377866.

It is an arithmetic number, because the mean of its divisors is an integer number (408787560).

Almost surely, 2^27943968360 is an apocalyptic number.

27943968360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27943968360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52324807680).

27943968360 is an abundant number, since it is smaller than the sum of its proper divisors (76705647000).

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

27943968360 is a wasteful number, since it uses less digits than its factorization.

27943968360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848 (or 3844 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 57.

The spelling of 27943968360 in words is "twenty-seven billion, nine hundred forty-three million, nine hundred sixty-eight thousand, three hundred sixty".