27505147064 has 16 divisors (see below), whose sum is σ = 51616896720. Its totient is φ = 13740641280.

The previous prime is 27505147037. The next prime is 27505147129. The reversal of 27505147064 is 46074150572.

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, 1481732 + ... + 1500179.

It is an arithmetic number, because the mean of its divisors is an integer number (3226056045).

Almost surely, 2^27505147064 is an apocalyptic number.

It is an amenable number.

27505147064 is a deficient number, since it is larger than the sum of its proper divisors (24111749656).

27505147064 is a wasteful number, since it uses less digits than its factorization.

27505147064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983070 (or 2983066 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 27505147064 in words is "twenty-seven billion, five hundred five million, one hundred forty-seven thousand, sixty-four".