27808855476 has 48 divisors (see below), whose sum is σ = 69141917376. Its totient is φ = 8668767744.

The previous prime is 27808855469. The next prime is 27808855489. The reversal of 27808855476 is 67455880872.

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 15 ways as a sum of consecutive naturals, for example, 402106 + ... + 466161.

It is an arithmetic number, because the mean of its divisors is an integer number (1440456612).

Almost surely, 2^27808855476 is an apocalyptic number.

It is an amenable number.

27808855476 is an abundant number, since it is smaller than the sum of its proper divisors (41333061900).

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

27808855476 is a wasteful number, since it uses less digits than its factorization.

27808855476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868448 (or 868446 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 60.

The spelling of 27808855476 in words is "twenty-seven billion, eight hundred eight million, eight hundred fifty-five thousand, four hundred seventy-six".