27747707672 has 8 divisors (see below), whose sum is σ = 52026951900. Its totient is φ = 13873853832.

The previous prime is 27747707651. The next prime is 27747707681. The reversal of 27747707672 is 27670774772.

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, 1734231722 + ... + 1734231737.

Almost surely, 2^27747707672 is an apocalyptic number.

It is an amenable number.

27747707672 is a deficient number, since it is larger than the sum of its proper divisors (24279244228).

27747707672 is a wasteful number, since it uses less digits than its factorization.

27747707672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468463465 (or 3468463461 counting only the distinct ones).

The product of its (nonzero) digits is 11294304, while the sum is 56.

The spelling of 27747707672 in words is "twenty-seven billion, seven hundred forty-seven million, seven hundred seven thousand, six hundred seventy-two".