12679820878 has 16 divisors (see below), whose sum is σ = 19074325824. Its totient is φ = 6321729280.

The previous prime is 12679820861. The next prime is 12679820929. The reversal of 12679820878 is 87802897621.

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, 2391126 + ... + 2396422.

It is an arithmetic number, because the mean of its divisors is an integer number (1192145364).

Almost surely, 2^12679820878 is an apocalyptic number.

12679820878 is a deficient number, since it is larger than the sum of its proper divisors (6394504946).

12679820878 is a wasteful number, since it uses less digits than its factorization.

12679820878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 12679820878 in words is "twelve billion, six hundred seventy-nine million, eight hundred twenty thousand, eight hundred seventy-eight".