27687686086 has 16 divisors (see below), whose sum is σ = 41647406400. Its totient is φ = 13805241408.

The previous prime is 27687686023. The next prime is 27687686087. The reversal of 27687686086 is 68068678672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27687686087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511476 + ... + 4517608.

It is an arithmetic number, because the mean of its divisors is an integer number (2602962900).

Almost surely, 2^27687686086 is an apocalyptic number.

27687686086 is a deficient number, since it is larger than the sum of its proper divisors (13959720314).

27687686086 is a wasteful number, since it uses less digits than its factorization.

27687686086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 27687686086 in words is "twenty-seven billion, six hundred eighty-seven million, six hundred eighty-six thousand, eighty-six".