27127532664 has 32 divisors (see below), whose sum is σ = 75354258000. Its totient is φ = 9042510816.

The previous prime is 27127532647. The next prime is 27127532671. The reversal of 27127532664 is 46623572172.

It is a super-3 number, since 3×27127532664³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62794999 + ... + 62795430.

Almost surely, 2^27127532664 is an apocalyptic number.

27127532664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27127532664 is an abundant number, since it is smaller than the sum of its proper divisors (48226725336).

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

27127532664 is a wasteful number, since it uses less digits than its factorization.

27127532664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125590444 (or 125590434 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 27127532664 in words is "twenty-seven billion, one hundred twenty-seven million, five hundred thirty-two thousand, six hundred sixty-four".