27740545564 has 12 divisors (see below), whose sum is σ = 48564203184. Its totient is φ = 13865058944.

The previous prime is 27740545559. The next prime is 27740545577. The reversal of 27740545564 is 46554504772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291477 + ... + 1312780.

It is an arithmetic number, because the mean of its divisors is an integer number (4047016932).

Almost surely, 2^27740545564 is an apocalyptic number.

It is an amenable number.

27740545564 is a deficient number, since it is larger than the sum of its proper divisors (20823657620).

27740545564 is a wasteful number, since it uses less digits than its factorization.

27740545564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606924 (or 2606922 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 27740545564 in words is "twenty-seven billion, seven hundred forty million, five hundred forty-five thousand, five hundred sixty-four".