327385617525 has 72 divisors (see below), whose sum is σ = 638530932000. Its totient is φ = 159711834240.

The previous prime is 327385617511. The next prime is 327385617527. The reversal of 327385617525 is 525716583723.

327385617525 is a `hidden beast` number, since 3 + 2 + 7 + 3 + 8 + 561 + 75 + 2 + 5 = 666.

It is not a de Polignac number, because 327385617525 - 2⁸ = 327385617269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327385617527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1196395 + ... + 1444344.

Almost surely, 2^327385617525 is an apocalyptic number.

It is an amenable number.

327385617525 is a deficient number, since it is larger than the sum of its proper divisors (311145314475).

327385617525 is a wasteful number, since it uses less digits than its factorization.

327385617525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640803 (or 2640795 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 327385617525 in words is "three hundred twenty-seven billion, three hundred eighty-five million, six hundred seventeen thousand, five hundred twenty-five".