12678968863 has 32 divisors (see below), whose sum is σ = 14675012352. Its totient is φ = 10849977600.

The previous prime is 12678968851. The next prime is 12678968903. The reversal of 12678968863 is 36886987621.

It is a de Polignac number, because none of the positive numbers 2^k-12678968863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12678968795 and 12678968804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12678968363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1605681 + ... + 1613557.

It is an arithmetic number, because the mean of its divisors is an integer number (458594136).

Almost surely, 2^12678968863 is an apocalyptic number.

12678968863 is a deficient number, since it is larger than the sum of its proper divisors (1996043489).

12678968863 is a wasteful number, since it uses less digits than its factorization.

12678968863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055.

The product of its digits is 41803776, while the sum is 64.

The spelling of 12678968863 in words is "twelve billion, six hundred seventy-eight million, nine hundred sixty-eight thousand, eight hundred sixty-three".