13688325987772 has 24 divisors (see below), whose sum is σ = 25005153581856. Its totient is φ = 6544212584448.

The previous prime is 13688325987769. The next prime is 13688325987863. The reversal of 13688325987772 is 27778952388631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26769273 + ... + 27275824.

It is an arithmetic number, because the mean of its divisors is an integer number (1041881399244).

Almost surely, 2^{13688325987772} is an apocalyptic number.

It is an amenable number.

13688325987772 is a deficient number, since it is larger than the sum of its proper divisors (11316827594084).

13688325987772 is a wasteful number, since it uses less digits than its factorization.

13688325987772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54047877 (or 54047875 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 76.

The spelling of 13688325987772 in words is "thirteen trillion, six hundred eighty-eight billion, three hundred twenty-five million, nine hundred eighty-seven thousand, seven hundred seventy-two".