328504327657 has 4 divisors (see below), whose sum is σ = 358368357456. Its totient is φ = 298640297860.

The previous prime is 328504327579. The next prime is 328504327681. The reversal of 328504327657 is 756723405823.

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 328504327657 - 2¹¹ = 328504325609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328504327687) 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, 14932014883 + ... + 14932014904.

It is an arithmetic number, because the mean of its divisors is an integer number (89592089364).

Almost surely, 2^328504327657 is an apocalyptic number.

It is an amenable number.

328504327657 is a deficient number, since it is larger than the sum of its proper divisors (29864029799).

328504327657 is a wasteful number, since it uses less digits than its factorization.

328504327657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29864029798.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 328504327657 in words is "three hundred twenty-eight billion, five hundred four million, three hundred twenty-seven thousand, six hundred fifty-seven".