27921319352 has 16 divisors (see below), whose sum is σ = 52374170160. Its totient is φ = 13954873984.

The previous prime is 27921319313. The next prime is 27921319381. The reversal of 27921319352 is 25391312972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702668 + ... + 741339.

It is an arithmetic number, because the mean of its divisors is an integer number (3273385635).

Almost surely, 2^27921319352 is an apocalyptic number.

It is an amenable number.

27921319352 is a deficient number, since it is larger than the sum of its proper divisors (24452850808).

27921319352 is a wasteful number, since it uses less digits than its factorization.

27921319352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446430 (or 1446426 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The spelling of 27921319352 in words is "twenty-seven billion, nine hundred twenty-one million, three hundred nineteen thousand, three hundred fifty-two".