12878087885 has 16 divisors (see below), whose sum is σ = 16674317184. Its totient is φ = 9491764032.

The previous prime is 12878087867. The next prime is 12878087939. The reversal of 12878087885 is 58878087821.

It is a cyclic number.

It is not a de Polignac number, because 12878087885 - 2⁶ = 12878087821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155417 + ... + 223406.

It is an arithmetic number, because the mean of its divisors is an integer number (1042144824).

Almost surely, 2^12878087885 is an apocalyptic number.

It is an amenable number.

12878087885 is a deficient number, since it is larger than the sum of its proper divisors (3796229299).

12878087885 is a wasteful number, since it uses less digits than its factorization.

12878087885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379364.

The product of its (nonzero) digits is 16056320, while the sum is 62.

The spelling of 12878087885 in words is "twelve billion, eight hundred seventy-eight million, eighty-seven thousand, eight hundred eighty-five".