328281355765 has 8 divisors (see below), whose sum is σ = 429750138528. Its totient is φ = 238750076880.

The previous prime is 328281355763. The next prime is 328281355771. The reversal of 328281355765 is 567553182823.

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

It is not a de Polignac number, because 328281355765 - 2¹ = 328281355763 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 5968751923 = 328281355765 / (3 + 2 + 8 + 2 + 8 + 1 + 3 + 5 + 5 + 7 + 6 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328281355763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984375907 + ... + 2984376016.

It is an arithmetic number, because the mean of its divisors is an integer number (53718767316).

Almost surely, 2^328281355765 is an apocalyptic number.

It is an amenable number.

328281355765 is a deficient number, since it is larger than the sum of its proper divisors (101468782763).

328281355765 is a wasteful number, since it uses less digits than its factorization.

328281355765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968751939.

The product of its digits is 12096000, while the sum is 55.

The spelling of 328281355765 in words is "three hundred twenty-eight billion, two hundred eighty-one million, three hundred fifty-five thousand, seven hundred sixty-five".