13678810884 has 144 divisors (see below), whose sum is σ = 37357092864. Its totient is φ = 4207896000.

The previous prime is 13678810843. The next prime is 13678810897. The reversal of 13678810884 is 48801887631.

It is a happy number.

It is a super-2 number, since 2×13678810884² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13678810884.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11883709 + ... + 11884859.

It is an arithmetic number, because the mean of its divisors is an integer number (259424256).

Almost surely, 2^13678810884 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 13678810884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18678546432).

13678810884 is an abundant number, since it is smaller than the sum of its proper divisors (23678281980).

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

13678810884 is a wasteful number, since it uses less digits than its factorization.

13678810884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 13678810884 in words is "thirteen billion, six hundred seventy-eight million, eight hundred ten thousand, eight hundred eighty-four".