27927064888 has 32 divisors (see below), whose sum is σ = 53196998400. Its totient is φ = 13741608672.

The previous prime is 27927064877. The next prime is 27927064889. The reversal of 27927064888 is 88846072972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27927064889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531831 + ... + 581977.

It is an arithmetic number, because the mean of its divisors is an integer number (1662406200).

Almost surely, 2^27927064888 is an apocalyptic number.

It is an amenable number.

27927064888 is a deficient number, since it is larger than the sum of its proper divisors (25269933512).

27927064888 is a wasteful number, since it uses less digits than its factorization.

27927064888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51259 (or 51255 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 27927064888 in words is "twenty-seven billion, nine hundred twenty-seven million, sixty-four thousand, eight hundred eighty-eight".