12768918878 has 16 divisors (see below), whose sum is σ = 21038037120. Its totient is φ = 5785459416.

The previous prime is 12768918847. The next prime is 12768918889. The reversal of 12768918878 is 87881986721.

It is a congruent number.

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, 7304000 + ... + 7305747.

It is an arithmetic number, because the mean of its divisors is an integer number (1314877320).

Almost surely, 2^12768918878 is an apocalyptic number.

12768918878 is a deficient number, since it is larger than the sum of its proper divisors (8269118242).

12768918878 is a wasteful number, since it uses less digits than its factorization.

12768918878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14609791.

The product of its digits is 21676032, while the sum is 65.

The spelling of 12768918878 in words is "twelve billion, seven hundred sixty-eight million, nine hundred eighteen thousand, eight hundred seventy-eight".