328527665 has 8 divisors (see below), whose sum is σ = 394779840. Its totient is φ = 262457712.

The previous prime is 328527643. The next prime is 328527673. The reversal of 328527665 is 566725823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328527665 - 2¹⁸ = 328265521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41555 + ... + 48824.

It is an arithmetic number, because the mean of its divisors is an integer number (49347480).

Almost surely, 2^328527665 is an apocalyptic number.

It is an amenable number.

328527665 is a deficient number, since it is larger than the sum of its proper divisors (66252175).

328527665 is an equidigital number, since it uses as much as digits as its factorization.

328527665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91111.

The product of its digits is 604800, while the sum is 44.

The square root of 328527665 is about 18125.3321348879. The cubic root of 328527665 is about 690.0130677354.

The spelling of 328527665 in words is "three hundred twenty-eight million, five hundred twenty-seven thousand, six hundred sixty-five".