27643307606334 has 32 divisors (see below), whose sum is σ = 70205225667840. Its totient is φ = 7898087887416.

The previous prime is 27643307606251. The next prime is 27643307606339. The reversal of 27643307606334 is 43360670334672.

27643307606334 is a `hidden beast` number, since 27 + 6 + 4 + 3 + 3 + 0 + 7 + 606 + 3 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27643307606339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36565221324 + ... + 36565222079.

It is an arithmetic number, because the mean of its divisors is an integer number (2193913302120).

Almost surely, 2^{27643307606334} is an apocalyptic number.

27643307606334 is an abundant number, since it is smaller than the sum of its proper divisors (42561918061506).

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

27643307606334 is a wasteful number, since it uses less digits than its factorization.

27643307606334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73130443421 (or 73130443415 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 54.

The spelling of 27643307606334 in words is "twenty-seven trillion, six hundred forty-three billion, three hundred seven million, six hundred six thousand, three hundred thirty-four".