13860689928 has 32 divisors (see below), whose sum is σ = 35496891360. Its totient is φ = 4507541120.

The previous prime is 13860689911. The next prime is 13860689929. The reversal of 13860689928 is 82998606831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13860689929) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7042050 + ... + 7044017.

It is an arithmetic number, because the mean of its divisors is an integer number (1109277855).

Almost surely, 2^13860689928 is an apocalyptic number.

It is an amenable number.

13860689928 is an abundant number, since it is smaller than the sum of its proper divisors (21636201432).

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

13860689928 is a wasteful number, since it uses less digits than its factorization.

13860689928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086117 (or 14086113 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 13860689928 in words is "thirteen billion, eight hundred sixty million, six hundred eighty-nine thousand, nine hundred twenty-eight".