13893778266 has 32 divisors (see below), whose sum is σ = 28004443200. Its totient is φ = 4595179776.

The previous prime is 13893778243. The next prime is 13893778313. The reversal of 13893778266 is 66287739831.

13893778266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865485 + ... + 881391.

It is an arithmetic number, because the mean of its divisors is an integer number (875138850).

Almost surely, 2^13893778266 is an apocalyptic number.

13893778266 is an abundant number, since it is smaller than the sum of its proper divisors (14110664934).

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

13893778266 is a wasteful number, since it uses less digits than its factorization.

13893778266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038.

The product of its digits is 18289152, while the sum is 60.

The spelling of 13893778266 in words is "thirteen billion, eight hundred ninety-three million, seven hundred seventy-eight thousand, two hundred sixty-six".