328306107805 has 8 divisors (see below), whose sum is σ = 424272508632. Its totient is φ = 242441433408.

The previous prime is 328306107803. The next prime is 328306107841. The reversal of 328306107805 is 508701603823.

It can be written as a sum of positive squares in 4 ways, for example, as 13861059289 + 314445048516 = 117733^2 + 560754^2 .

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 328306107805 - 2¹ = 328306107803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328306107803) 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, 2525431534 + ... + 2525431663.

It is an arithmetic number, because the mean of its divisors is an integer number (53034063579).

Almost surely, 2^328306107805 is an apocalyptic number.

It is an amenable number.

328306107805 is a deficient number, since it is larger than the sum of its proper divisors (95966400827).

328306107805 is a wasteful number, since it uses less digits than its factorization.

328306107805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050863215.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 328306107805 in words is "three hundred twenty-eight billion, three hundred six million, one hundred seven thousand, eight hundred five".