12767998851 has 12 divisors (see below), whose sum is σ = 18444798112. Its totient is φ = 8511014736.

The previous prime is 12767998847. The next prime is 12767998871. The reversal of 12767998851 is 15889976721.

It is not a de Polignac number, because 12767998851 - 2² = 12767998847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12767998871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4950 + ... + 159876.

Almost surely, 2^12767998851 is an apocalyptic number.

12767998851 is a deficient number, since it is larger than the sum of its proper divisors (5676799261).

12767998851 is a wasteful number, since it uses less digits than its factorization.

12767998851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164090 (or 164087 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 63.

The spelling of 12767998851 in words is "twelve billion, seven hundred sixty-seven million, nine hundred ninety-eight thousand, eight hundred fifty-one".