327572706561 has 4 divisors (see below), whose sum is σ = 436763608752. Its totient is φ = 218381804372.

The previous prime is 327572706553. The next prime is 327572706577. The reversal of 327572706561 is 165607275723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 327572706561 - 2³ = 327572706553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (327572706551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54595451091 + ... + 54595451096.

It is an arithmetic number, because the mean of its divisors is an integer number (109190902188).

Almost surely, 2^327572706561 is an apocalyptic number.

It is an amenable number.

327572706561 is a deficient number, since it is larger than the sum of its proper divisors (109190902191).

327572706561 is a wasteful number, since it uses less digits than its factorization.

327572706561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109190902190.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 327572706561 in words is "three hundred twenty-seven billion, five hundred seventy-two million, seven hundred six thousand, five hundred sixty-one".