13989336883777 has 4 divisors (see below), whose sum is σ = 14005108403136. Its totient is φ = 13973565364420.

The previous prime is 13989336883747. The next prime is 13989336883817. The reversal of 13989336883777 is 77738863398931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13989336883777 is a prime.

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 13989336883777.

It is not an unprimeable number, because it can be changed into a prime (13989336883747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7885758349 + ... + 7885760122.

It is an arithmetic number, because the mean of its divisors is an integer number (3501277100784).

Almost surely, 2^{13989336883777} is an apocalyptic number.

It is an amenable number.

13989336883777 is a deficient number, since it is larger than the sum of its proper divisors (15771519359).

13989336883777 is an equidigital number, since it uses as much as digits as its factorization.

13989336883777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771519358.

The product of its digits is 6913299456, while the sum is 82.

The spelling of 13989336883777 in words is "thirteen trillion, nine hundred eighty-nine billion, three hundred thirty-six million, eight hundred eighty-three thousand, seven hundred seventy-seven".