13444328078 has 4 divisors (see below), whose sum is σ = 20166492120. Its totient is φ = 6722164038.

The previous prime is 13444328039. The next prime is 13444328101. The reversal of 13444328078 is 87082344431.

13444328078 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87082344431 = 2389 ⋅36451379.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361082018 + ... + 3361082021.

It is an arithmetic number, because the mean of its divisors is an integer number (5041623030).

Almost surely, 2^13444328078 is an apocalyptic number.

13444328078 is a deficient number, since it is larger than the sum of its proper divisors (6722164042).

13444328078 is an equidigital number, since it uses as much as digits as its factorization.

13444328078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722164041.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 13444328078 in words is "thirteen billion, four hundred forty-four million, three hundred twenty-eight thousand, seventy-eight".