27489207312 has 120 divisors (see below), whose sum is σ = 89412223680. Its totient is φ = 7720922880.

The previous prime is 27489207307. The next prime is 27489207373. The reversal of 27489207312 is 21370298472.

It is a super-2 number, since 2×27489207312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 171639 + ... + 290582.

It is an arithmetic number, because the mean of its divisors is an integer number (745101864).

Almost surely, 2^27489207312 is an apocalyptic number.

It is an amenable number.

27489207312 is an abundant number, since it is smaller than the sum of its proper divisors (61923016368).

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

27489207312 is a wasteful number, since it uses less digits than its factorization.

27489207312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462301 (or 462292 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 27489207312 in words is "twenty-seven billion, four hundred eighty-nine million, two hundred seven thousand, three hundred twelve".