13863926784 has 88 divisors (see below), whose sum is σ = 36995185360. Its totient is φ = 4615962624.

The previous prime is 13863926773. The next prime is 13863926803. The reversal of 13863926784 is 48762936831.

It is a super-2 number, since 2×13863926784² (a number of 21 digits) contains 22 as substring.

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, 3355632 + ... + 3359760.

Almost surely, 2^13863926784 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 13863926784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18497592680).

13863926784 is an abundant number, since it is smaller than the sum of its proper divisors (23131258576).

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

13863926784 is a wasteful number, since it uses less digits than its factorization.

13863926784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5245 (or 5227 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 13863926784 in words is "thirteen billion, eight hundred sixty-three million, nine hundred twenty-six thousand, seven hundred eighty-four".