27690208684 has 6 divisors (see below), whose sum is σ = 48457865204. Its totient is φ = 13845104340.

The previous prime is 27690208681. The next prime is 27690208697. The reversal of 27690208684 is 48680209672.

It is not an unprimeable number, because it can be changed into a prime (27690208681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461276082 + ... + 3461276089.

Almost surely, 2^27690208684 is an apocalyptic number.

It is an amenable number.

27690208684 is a deficient number, since it is larger than the sum of its proper divisors (20767656520).

27690208684 is a wasteful number, since it uses less digits than its factorization.

27690208684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6922552175 (or 6922552173 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 27690208684 in words is "twenty-seven billion, six hundred ninety million, two hundred eight thousand, six hundred eighty-four".