12878406467 has 8 divisors (see below), whose sum is σ = 12961185216. Its totient is φ = 12795881472.

The previous prime is 12878406461. The next prime is 12878406509. The reversal of 12878406467 is 76460487821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12878406467 - 2²⁰ = 12877357891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12878406461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38918 + ... + 165140.

It is an arithmetic number, because the mean of its divisors is an integer number (1620148152).

Almost surely, 2^12878406467 is an apocalyptic number.

12878406467 is a deficient number, since it is larger than the sum of its proper divisors (82778749).

12878406467 is a wasteful number, since it uses less digits than its factorization.

12878406467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126877.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 12878406467 in words is "twelve billion, eight hundred seventy-eight million, four hundred six thousand, four hundred sixty-seven".