13234678784 has 44 divisors (see below), whose sum is σ = 26753880600. Its totient is φ = 6542942208.

The previous prime is 13234678771. The next prime is 13234678799. The reversal of 13234678784 is 48787643231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18527 + ... + 163745.

Almost surely, 2^13234678784 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 13234678784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13376940300).

13234678784 is an abundant number, since it is smaller than the sum of its proper divisors (13519201816).

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

13234678784 is an equidigital number, since it uses as much as digits as its factorization.

13234678784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145328 (or 145310 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The spelling of 13234678784 in words is "thirteen billion, two hundred thirty-four million, six hundred seventy-eight thousand, seven hundred eighty-four".