27807620928 has 56 divisors (see below), whose sum is σ = 73610224128. Its totient is φ = 9264685056.

The previous prime is 27807620917. The next prime is 27807620941. The reversal of 27807620928 is 82902670872.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 371425 + ... + 439967.

It is an arithmetic number, because the mean of its divisors is an integer number (1314468288).

Almost surely, 2^27807620928 is an apocalyptic number.

It is an amenable number.

27807620928 is an abundant number, since it is smaller than the sum of its proper divisors (45802603200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27807620928 is a wasteful number, since it uses less digits than its factorization.

27807620928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70671 (or 70661 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 27807620928 in words is "twenty-seven billion, eight hundred seven million, six hundred twenty thousand, nine hundred twenty-eight".