27705305512 has 32 divisors (see below), whose sum is σ = 52098228000. Its totient is φ = 13812493504.

The previous prime is 27705305483. The next prime is 27705305531. The reversal of 27705305512 is 21550350772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7840098 + ... + 7843630.

It is an arithmetic number, because the mean of its divisors is an integer number (1628069625).

Almost surely, 2^27705305512 is an apocalyptic number.

It is an amenable number.

27705305512 is a deficient number, since it is larger than the sum of its proper divisors (24392922488).

27705305512 is a wasteful number, since it uses less digits than its factorization.

27705305512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The spelling of 27705305512 in words is "twenty-seven billion, seven hundred five million, three hundred five thousand, five hundred twelve".