13776744608 has 96 divisors (see below), whose sum is σ = 31120588800. Its totient is φ = 5942280960.

The previous prime is 13776744589. The next prime is 13776744629. The reversal of 13776744608 is 80644767731.

It is a self number, because there is not a number n which added to its sum of digits gives 13776744608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021493 + ... + 1034891.

It is an arithmetic number, because the mean of its divisors is an integer number (324172800).

Almost surely, 2^13776744608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13776744608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15560294400).

13776744608 is an abundant number, since it is smaller than the sum of its proper divisors (17343844192).

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

13776744608 is a wasteful number, since it uses less digits than its factorization.

13776744608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13570 (or 13562 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 13776744608 in words is "thirteen billion, seven hundred seventy-six million, seven hundred forty-four thousand, six hundred eight".