27447304705644 has 12 divisors (see below), whose sum is σ = 64043710979864. Its totient is φ = 9149101568544.

The previous prime is 27447304705609. The next prime is 27447304705669. The reversal of 27447304705644 is 44650740374472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143637696057 + ... + 1143637696080.

Almost surely, 2^{27447304705644} is an apocalyptic number.

It is an amenable number.

27447304705644 is an abundant number, since it is smaller than the sum of its proper divisors (36596406274220).

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

27447304705644 is a wasteful number, since it uses less digits than its factorization.

27447304705644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287275392144 (or 2287275392142 counting only the distinct ones).

The product of its (nonzero) digits is 63221760, while the sum is 57.

The spelling of 27447304705644 in words is "twenty-seven trillion, four hundred forty-seven billion, three hundred four million, seven hundred five thousand, six hundred forty-four".