27806376028 has 6 divisors (see below), whose sum is σ = 48661158056. Its totient is φ = 13903188012.

The previous prime is 27806376019. The next prime is 27806376083. The reversal of 27806376028 is 82067360872.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3475797000 + ... + 3475797007.

Almost surely, 2^27806376028 is an apocalyptic number.

It is an amenable number.

27806376028 is a deficient number, since it is larger than the sum of its proper divisors (20854782028).

27806376028 is a wasteful number, since it uses less digits than its factorization.

27806376028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951594011 (or 6951594009 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 27806376028 in words is "twenty-seven billion, eight hundred six million, three hundred seventy-six thousand, twenty-eight".