13863878688 has 96 divisors (see below), whose sum is σ = 40774224960. Its totient is φ = 4087618560.

The previous prime is 13863878657. The next prime is 13863878711. The reversal of 13863878688 is 88687836831.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138343 + ... + 216486.

It is an arithmetic number, because the mean of its divisors is an integer number (424731510).

Almost surely, 2^13863878688 is an apocalyptic number.

It is an amenable number.

13863878688 is an abundant number, since it is smaller than the sum of its proper divisors (26910346272).

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

13863878688 is a wasteful number, since it uses less digits than its factorization.

13863878688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354890 (or 354882 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 66.

The spelling of 13863878688 in words is "thirteen billion, eight hundred sixty-three million, eight hundred seventy-eight thousand, six hundred eighty-eight".