12827932866 has 48 divisors (see below), whose sum is σ = 32789073408. Its totient is φ = 3546892800.

The previous prime is 12827932829. The next prime is 12827932951. The reversal of 12827932866 is 66823972821.

It is a super-2 number, since 2×12827932866² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1638175 + ... + 1645986.

It is an arithmetic number, because the mean of its divisors is an integer number (683105696).

Almost surely, 2^12827932866 is an apocalyptic number.

12827932866 is an abundant number, since it is smaller than the sum of its proper divisors (19961140542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12827932866 is a wasteful number, since it uses less digits than its factorization.

12827932866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284207 (or 3284204 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 12827932866 in words is "twelve billion, eight hundred twenty-seven million, nine hundred thirty-two thousand, eight hundred sixty-six".