27687688773 has 8 divisors (see below), whose sum is σ = 36923737536. Its totient is φ = 18455049600.

The previous prime is 27687688771. The next prime is 27687688789. The reversal of 27687688773 is 37788678672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27687688773 - 2¹ = 27687688771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27687688698 and 27687688707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27687688771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833388 + ... + 865973.

It is an arithmetic number, because the mean of its divisors is an integer number (4615467192).

Almost surely, 2^27687688773 is an apocalyptic number.

It is an amenable number.

27687688773 is a deficient number, since it is larger than the sum of its proper divisors (9236048763).

27687688773 is a wasteful number, since it uses less digits than its factorization.

27687688773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704795.

The product of its digits is 265531392, while the sum is 69.

The spelling of 27687688773 in words is "twenty-seven billion, six hundred eighty-seven million, six hundred eighty-eight thousand, seven hundred seventy-three".