12876923778 has 32 divisors (see below), whose sum is σ = 27086234112. Its totient is φ = 4075468800.

The previous prime is 12876923777. The next prime is 12876923797. The reversal of 12876923778 is 87732967821.

12876923778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12876923777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643263 + ... + 662978.

It is an arithmetic number, because the mean of its divisors is an integer number (846444816).

Almost surely, 2^12876923778 is an apocalyptic number.

12876923778 is an abundant number, since it is smaller than the sum of its proper divisors (14209310334).

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

12876923778 is a wasteful number, since it uses less digits than its factorization.

12876923778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306330.

The product of its digits is 14224896, while the sum is 60.

The spelling of 12876923778 in words is "twelve billion, eight hundred seventy-six million, nine hundred twenty-three thousand, seven hundred seventy-eight".