27208679638612 has 12 divisors (see below), whose sum is σ = 49685414992416. Its totient is φ = 13012846783640.

The previous prime is 27208679638579. The next prime is 27208679638697. The reversal of 27208679638612 is 21683697680272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147873258814 + ... + 147873258997.

It is an arithmetic number, because the mean of its divisors is an integer number (4140451249368).

Almost surely, 2^{27208679638612} is an apocalyptic number.

It is an amenable number.

27208679638612 is a deficient number, since it is larger than the sum of its proper divisors (22476735353804).

27208679638612 is a wasteful number, since it uses less digits than its factorization.

27208679638612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295746517838 (or 295746517836 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 27208679638612 in words is "twenty-seven trillion, two hundred eight billion, six hundred seventy-nine million, six hundred thirty-eight thousand, six hundred twelve".