27876827808 has 72 divisors (see below), whose sum is σ = 82210853088. Its totient is φ = 9292273344.

The previous prime is 27876827791. The next prime is 27876827879. The reversal of 27876827808 is 80872867872.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1784716 + ... + 1800267.

It is an arithmetic number, because the mean of its divisors is an integer number (1141817404).

Almost surely, 2^27876827808 is an apocalyptic number.

It is an amenable number.

27876827808 is an abundant number, since it is smaller than the sum of its proper divisors (54334025280).

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

27876827808 is an equidigital number, since it uses as much as digits as its factorization.

27876827808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585008 (or 3584988 counting only the distinct ones).

The product of its (nonzero) digits is 33718272, while the sum is 63.

The spelling of 27876827808 in words is "twenty-seven billion, eight hundred seventy-six million, eight hundred twenty-seven thousand, eight hundred eight".