27727045434 has 48 divisors (see below), whose sum is σ = 65550345120. Its totient is φ = 8400379680.

The previous prime is 27727045351. The next prime is 27727045471. The reversal of 27727045434 is 43454072772.

It is a self number, because there is not a number n which added to its sum of digits gives 27727045434.

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 23 ways as a sum of consecutive naturals, for example, 1182129 + ... + 1205355.

It is an arithmetic number, because the mean of its divisors is an integer number (1365632190).

Almost surely, 2^27727045434 is an apocalyptic number.

27727045434 is an abundant number, since it is smaller than the sum of its proper divisors (37823299686).

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

27727045434 is a wasteful number, since it uses less digits than its factorization.

27727045434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29275 (or 29272 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 45.

The spelling of 27727045434 in words is "twenty-seven billion, seven hundred twenty-seven million, forty-five thousand, four hundred thirty-four".