27660856832 has 40 divisors (see below), whose sum is σ = 63163080816. Its totient is φ = 11854651392.

The previous prime is 27660856813. The next prime is 27660856837. The reversal of 27660856832 is 23865806672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27660856837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855353 + ... + 3862520.

Almost surely, 2^27660856832 is an apocalyptic number.

It is an amenable number.

27660856832 is an abundant number, since it is smaller than the sum of its proper divisors (35502223984).

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

27660856832 is an frugal number, since it uses more digits than its factorization.

27660856832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717898 (or 7717882 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 27660856832 in words is "twenty-seven billion, six hundred sixty million, eight hundred fifty-six thousand, eight hundred thirty-two".