327638045547 has 6 divisors (see below), whose sum is σ = 473254954692. Its totient is φ = 218425363692.

The previous prime is 327638045543. The next prime is 327638045549. The reversal of 327638045547 is 745540836723.

It is a happy number.

327638045547 is a `hidden beast` number, since 3 + 2 + 7 + 6 + 3 + 80 + 4 + 554 + 7 = 666.

It is not a de Polignac number, because 327638045547 - 2² = 327638045543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 327638045493 and 327638045502.

It is not an unprimeable number, because it can be changed into a prime (327638045543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18202113633 + ... + 18202113650.

It is an arithmetic number, because the mean of its divisors is an integer number (78875825782).

Almost surely, 2^327638045547 is an apocalyptic number.

327638045547 is a deficient number, since it is larger than the sum of its proper divisors (145616909145).

327638045547 is a wasteful number, since it uses less digits than its factorization.

327638045547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36404227289 (or 36404227286 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 54.

The spelling of 327638045547 in words is "three hundred twenty-seven billion, six hundred thirty-eight million, forty-five thousand, five hundred forty-seven".