13727733786 has 72 divisors (see below), whose sum is σ = 32753691360. Its totient is φ = 4152271968.

The previous prime is 13727733769. The next prime is 13727733809. The reversal of 13727733786 is 68733772731.

13727733786 is a `hidden beast` number, since 1 + 37 + 277 + 337 + 8 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 141235 + ... + 217721.

It is an arithmetic number, because the mean of its divisors is an integer number (454912380).

Almost surely, 2^13727733786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13727733786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16376845680).

13727733786 is an abundant number, since it is smaller than the sum of its proper divisors (19025957574).

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

13727733786 is a wasteful number, since it uses less digits than its factorization.

13727733786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76580 (or 76564 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 54.

The spelling of 13727733786 in words is "thirteen billion, seven hundred twenty-seven million, seven hundred thirty-three thousand, seven hundred eighty-six".