13327365678 has 48 divisors (see below), whose sum is σ = 29412588240. Its totient is φ = 4022824960.

The previous prime is 13327365673. The next prime is 13327365697. The reversal of 13327365678 is 87656372331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13327365678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13327365673) 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, 150868 + ... + 222296.

It is an arithmetic number, because the mean of its divisors is an integer number (612762255).

Almost surely, 2^13327365678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13327365678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14706294120).

13327365678 is an abundant number, since it is smaller than the sum of its proper divisors (16085222562).

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

13327365678 is a wasteful number, since it uses less digits than its factorization.

13327365678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71713 (or 71702 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The spelling of 13327365678 in words is "thirteen billion, three hundred twenty-seven million, three hundred sixty-five thousand, six hundred seventy-eight".