27689047044 has 48 divisors (see below), whose sum is σ = 65689337280. Its totient is φ = 9075277440.

The previous prime is 27689047033. The next prime is 27689047063. The reversal of 27689047044 is 44074098672.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3284667 + ... + 3293085.

It is an arithmetic number, because the mean of its divisors is an integer number (1368527860).

Almost surely, 2^27689047044 is an apocalyptic number.

It is an amenable number.

27689047044 is an abundant number, since it is smaller than the sum of its proper divisors (38000290236).

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

27689047044 is a wasteful number, since it uses less digits than its factorization.

27689047044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12980 (or 12978 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 27689047044 in words is "twenty-seven billion, six hundred eighty-nine million, forty-seven thousand, forty-four".