12887903779 has 8 divisors (see below), whose sum is σ = 13653701280. Its totient is φ = 12122960256.

The previous prime is 12887903753. The next prime is 12887903801. The reversal of 12887903779 is 97730978821.

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 12887903779 - 2⁵ = 12887903747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12887903719) 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, 182284 + ... + 242905.

It is an arithmetic number, because the mean of its divisors is an integer number (1706712660).

Almost surely, 2^12887903779 is an apocalyptic number.

12887903779 is a deficient number, since it is larger than the sum of its proper divisors (765797501).

12887903779 is a wasteful number, since it uses less digits than its factorization.

12887903779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426989.

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 12887903779 in words is "twelve billion, eight hundred eighty-seven million, nine hundred three thousand, seven hundred seventy-nine".