27067668687 has 12 divisors (see below), whose sum is σ = 39110733480. Its totient is φ = 18039117168.

The previous prime is 27067668673. The next prime is 27067668709. The reversal of 27067668687 is 78686676072.

It is not a de Polignac number, because 27067668687 - 2¹⁴ = 27067652303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27067668647) 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, 470928 + ... + 525269.

It is an arithmetic number, because the mean of its divisors is an integer number (3259227790).

Almost surely, 2^27067668687 is an apocalyptic number.

27067668687 is a deficient number, since it is larger than the sum of its proper divisors (12043064793).

27067668687 is a wasteful number, since it uses less digits than its factorization.

27067668687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999222 (or 999219 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 27067668687 in words is "twenty-seven billion, sixty-seven million, six hundred sixty-eight thousand, six hundred eighty-seven".