27881423608 has 8 divisors (see below), whose sum is σ = 52277669280. Its totient is φ = 13940711800.

The previous prime is 27881423587. The next prime is 27881423681. The reversal of 27881423608 is 80632418872.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742588968 + ... + 1742588983.

It is an arithmetic number, because the mean of its divisors is an integer number (6534708660).

Almost surely, 2^27881423608 is an apocalyptic number.

It is an amenable number.

27881423608 is a deficient number, since it is larger than the sum of its proper divisors (24396245672).

27881423608 is a wasteful number, since it uses less digits than its factorization.

27881423608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485177957 (or 3485177953 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 27881423608 in words is "twenty-seven billion, eight hundred eighty-one million, four hundred twenty-three thousand, six hundred eight".