13078723130778 has 16 divisors (see below), whose sum is σ = 26271670920480. Its totient is φ = 4340536933776.

The previous prime is 13078723130741. The next prime is 13078723130873. The reversal of 13078723130778 is 87703132787031.

13078723130778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13078723130778³ (a number of 40 digits) contains 333 as substring.

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, 4759359300 + ... + 4759362047.

It is an arithmetic number, because the mean of its divisors is an integer number (1641979432530).

Almost surely, 2^{13078723130778} is an apocalyptic number.

13078723130778 is an abundant number, since it is smaller than the sum of its proper divisors (13192947789702).

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

13078723130778 is a wasteful number, since it uses less digits than its factorization.

13078723130778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518721581.

The product of its (nonzero) digits is 8297856, while the sum is 57.

The spelling of 13078723130778 in words is "thirteen trillion, seventy-eight billion, seven hundred twenty-three million, one hundred thirty thousand, seven hundred seventy-eight".