328326875478 has 96 divisors (see below), whose sum is σ = 817945128000. Its totient is φ = 93237661440.

The previous prime is 328326875413. The next prime is 328326875483. The reversal of 328326875478 is 874578623823.

328326875478 is a `hidden beast` number, since 3 + 2 + 8 + 3 + 2 + 6 + 87 + 547 + 8 = 666.

It is a super-2 number, since 2×328326875478² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62691076 + ... + 62696312.

It is an arithmetic number, because the mean of its divisors is an integer number (8520261750).

Almost surely, 2^328326875478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328326875478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408972564000).

328326875478 is an abundant number, since it is smaller than the sum of its proper divisors (489618252522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328326875478 is a wasteful number, since it uses less digits than its factorization.

328326875478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182 (or 8179 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 63.

The spelling of 328326875478 in words is "three hundred twenty-eight billion, three hundred twenty-six million, eight hundred seventy-five thousand, four hundred seventy-eight".