27502668045 has 64 divisors (see below), whose sum is σ = 50116631040. Its totient is φ = 14304536064.

The previous prime is 27502668043. The next prime is 27502668047. The reversal of 27502668045 is 54086620572.

27502668045 is a `hidden beast` number, since 2 + 7 + 502 + 66 + 80 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (27502668043) and next prime (27502668047).

It is not a de Polignac number, because 27502668045 - 2¹ = 27502668043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27502668041) 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 63 ways as a sum of consecutive naturals, for example, 1183377 + ... + 1206393.

It is an arithmetic number, because the mean of its divisors is an integer number (783072360).

Almost surely, 2^27502668045 is an apocalyptic number.

It is an amenable number.

27502668045 is a deficient number, since it is larger than the sum of its proper divisors (22613962995).

27502668045 is a wasteful number, since it uses less digits than its factorization.

27502668045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23251 (or 23245 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 27502668045 in words is "twenty-seven billion, five hundred two million, six hundred sixty-eight thousand, forty-five".