12876573663 has 12 divisors (see below), whose sum is σ = 18600521160. Its totient is φ = 8583908976.

The previous prime is 12876573659. The next prime is 12876573727. The reversal of 12876573663 is 36637567821.

12876573663 is a `hidden beast` number, since 1 + 2 + 8 + 7 + 6 + 573 + 6 + 63 = 666.

It is not a de Polignac number, because 12876573663 - 2² = 12876573659 is a prime.

It is a super-2 number, since 2×12876573663² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12876573613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228720 + ... + 279402.

It is an arithmetic number, because the mean of its divisors is an integer number (1550043430).

Almost surely, 2^12876573663 is an apocalyptic number.

12876573663 is a deficient number, since it is larger than the sum of its proper divisors (5723947497).

12876573663 is a wasteful number, since it uses less digits than its factorization.

12876573663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78918 (or 78915 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 12876573663 in words is "twelve billion, eight hundred seventy-six million, five hundred seventy-three thousand, six hundred sixty-three".