27803893768 has 32 divisors (see below), whose sum is σ = 59686804800. Its totient is φ = 11894548032.

The previous prime is 27803893699. The next prime is 27803893787. The reversal of 27803893768 is 86739830872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414498 + ... + 476881.

It is an arithmetic number, because the mean of its divisors is an integer number (1865212650).

Almost surely, 2^27803893768 is an apocalyptic number.

27803893768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27803893768 is an abundant number, since it is smaller than the sum of its proper divisors (31882911032).

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

27803893768 is a wasteful number, since it uses less digits than its factorization.

27803893768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891949 (or 891945 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 27803893768 in words is "twenty-seven billion, eight hundred three million, eight hundred ninety-three thousand, seven hundred sixty-eight".