328075452785 has 8 divisors (see below), whose sum is σ = 393726565800. Its totient is φ = 262436347264.

The previous prime is 328075452779. The next prime is 328075452791. The reversal of 328075452785 is 587254570823.

It is an interprime number because it is at equal distance from previous prime (328075452779) and next prime (328075452791).

It can be written as a sum of positive squares in 4 ways, for example, as 36894342241 + 291181110544 = 192079^2 + 539612^2 .

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 328075452785 - 2⁴ = 328075452769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328075452785.

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, 2941652 + ... + 3051141.

It is an arithmetic number, because the mean of its divisors is an integer number (49215820725).

Almost surely, 2^328075452785 is an apocalyptic number.

It is an amenable number.

328075452785 is a deficient number, since it is larger than the sum of its proper divisors (65651113015).

328075452785 is a wasteful number, since it uses less digits than its factorization.

328075452785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6003747.

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 328075452785 in words is "three hundred twenty-eight billion, seventy-five million, four hundred fifty-two thousand, seven hundred eighty-five".