27783086679 has 12 divisors (see below), whose sum is σ = 40135798456. Its totient is φ = 18519900912.

The previous prime is 27783086677. The next prime is 27783086711. The reversal of 27783086679 is 97668038772.

It is not a de Polignac number, because 27783086679 - 2¹ = 27783086677 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 (27783086677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96112 + ... + 254565.

Almost surely, 2^27783086679 is an apocalyptic number.

27783086679 is a deficient number, since it is larger than the sum of its proper divisors (12352711777).

27783086679 is a wasteful number, since it uses less digits than its factorization.

27783086679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359486 (or 359483 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 27783086679 in words is "twenty-seven billion, seven hundred eighty-three million, eighty-six thousand, six hundred seventy-nine".