13988806208 has 56 divisors (see below), whose sum is σ = 29992271232. Its totient is φ = 6435224064.

The previous prime is 13988806187. The next prime is 13988806253. The reversal of 13988806208 is 80260888931.

It is a self number, because there is not a number n which added to its sum of digits gives 13988806208.

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, 228041 + ... + 282807.

It is an arithmetic number, because the mean of its divisors is an integer number (535576272).

Almost surely, 2^13988806208 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 13988806208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14996135616).

13988806208 is an abundant number, since it is smaller than the sum of its proper divisors (16003465024).

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

13988806208 is a wasteful number, since it uses less digits than its factorization.

13988806208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55099 (or 55089 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 13988806208 in words is "thirteen billion, nine hundred eighty-eight million, eight hundred six thousand, two hundred eight".