27075067687 has 4 divisors (see below), whose sum is σ = 27098551120. Its totient is φ = 27051584256.

The previous prime is 27075067633. The next prime is 27075067693. The reversal of 27075067687 is 78676057072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27075067687 - 2⁷ = 27075067559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27075047687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11739987 + ... + 11742292.

It is an arithmetic number, because the mean of its divisors is an integer number (6774637780).

Almost surely, 2^27075067687 is an apocalyptic number.

27075067687 is a deficient number, since it is larger than the sum of its proper divisors (23483433).

27075067687 is a wasteful number, since it uses less digits than its factorization.

27075067687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23483432.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 27075067687 in words is "twenty-seven billion, seventy-five million, sixty-seven thousand, six hundred eighty-seven".