13988608067988 has 72 divisors (see below), whose sum is σ = 37487247383040. Its totient is φ = 4390495980480.

The previous prime is 13988608067983. The next prime is 13988608068011. The reversal of 13988608067988 is 88976080688931.

13988608067988 is a `hidden beast` number, since 1 + 398 + 8 + 6 + 0 + 80 + 6 + 79 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13988608067983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169345128 + ... + 169427711.

Almost surely, 2^{13988608067988} is an apocalyptic number.

13988608067988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13988608067988 is an abundant number, since it is smaller than the sum of its proper divisors (23498639315052).

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

13988608067988 is a wasteful number, since it uses less digits than its factorization.

13988608067988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338772917 (or 338772912 counting only the distinct ones).

The product of its (nonzero) digits is 2006581248, while the sum is 81.

The spelling of 13988608067988 in words is "thirteen trillion, nine hundred eighty-eight billion, six hundred eight million, sixty-seven thousand, nine hundred eighty-eight".