13178768704 has 28 divisors (see below), whose sum is σ = 26342524404. Its totient is φ = 6541282304.

The previous prime is 13178768693. The next prime is 13178768723. The reversal of 13178768704 is 40786787131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10210698304 + 2968070400 = 101048^2 + 54480^2 .

It is a congruent number.

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, 742759 + ... + 760294.

It is an arithmetic number, because the mean of its divisors is an integer number (940804443).

Almost surely, 2^13178768704 is an apocalyptic number.

It is an amenable number.

13178768704 is a deficient number, since it is larger than the sum of its proper divisors (13163755700).

13178768704 is a wasteful number, since it uses less digits than its factorization.

13178768704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503202 (or 1503192 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 13178768704 in words is "thirteen billion, one hundred seventy-eight million, seven hundred sixty-eight thousand, seven hundred four".