27808966602 has 32 divisors (see below), whose sum is σ = 62027467200. Its totient is φ = 9235191024.

The previous prime is 27808966553. The next prime is 27808966631. The reversal of 27808966602 is 20666980872.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 942688 + ... + 971739.

It is an arithmetic number, because the mean of its divisors is an integer number (1938358350).

Almost surely, 2^27808966602 is an apocalyptic number.

27808966602 is an abundant number, since it is smaller than the sum of its proper divisors (34218500598).

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

27808966602 is a wasteful number, since it uses less digits than its factorization.

27808966602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914707 (or 1914701 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 27808966602 in words is "twenty-seven billion, eight hundred eight million, nine hundred sixty-six thousand, six hundred two".