27464505147 has 12 divisors (see below), whose sum is σ = 39704220504. Its totient is φ = 18294315360.

The previous prime is 27464505127. The next prime is 27464505163. The reversal of 27464505147 is 74150546472.

27464505147 is a `hidden beast` number, since 2 + 74 + 64 + 5 + 0 + 514 + 7 = 666.

It is not a de Polignac number, because 27464505147 - 2⁶ = 27464505083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27464505127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1268229 + ... + 1289702.

It is an arithmetic number, because the mean of its divisors is an integer number (3308685042).

Almost surely, 2^27464505147 is an apocalyptic number.

27464505147 is a deficient number, since it is larger than the sum of its proper divisors (12239715357).

27464505147 is a wasteful number, since it uses less digits than its factorization.

27464505147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559130 (or 2559127 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 27464505147 in words is "twenty-seven billion, four hundred sixty-four million, five hundred five thousand, one hundred forty-seven".