328245563187 has 16 divisors (see below), whose sum is σ = 511883920000. Its totient is φ = 207312986952.

The previous prime is 328245563183. The next prime is 328245563203. The reversal of 328245563187 is 781365542823.

328245563187 is a `hidden beast` number, since 3 + 2 + 8 + 2 + 4 + 556 + 3 + 1 + 87 = 666.

It is not a de Polignac number, because 328245563187 - 2² = 328245563183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328245563183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319926937 + ... + 319927962.

It is an arithmetic number, because the mean of its divisors is an integer number (31992745000).

Almost surely, 2^328245563187 is an apocalyptic number.

328245563187 is a deficient number, since it is larger than the sum of its proper divisors (183638356813).

328245563187 is a wasteful number, since it uses less digits than its factorization.

328245563187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639854927 (or 639854921 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 328245563187 in words is "three hundred twenty-eight billion, two hundred forty-five million, five hundred sixty-three thousand, one hundred eighty-seven".