328578305806 has 32 divisors (see below), whose sum is σ = 503299399680. Its totient is φ = 160843557600.

The previous prime is 328578305789. The next prime is 328578305813. The reversal of 328578305806 is 608503875823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31501000 + ... + 31511428.

It is an arithmetic number, because the mean of its divisors is an integer number (15728106240).

Almost surely, 2^328578305806 is an apocalyptic number.

328578305806 is a deficient number, since it is larger than the sum of its proper divisors (174721093874).

328578305806 is a wasteful number, since it uses less digits than its factorization.

328578305806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 328578305806 in words is "three hundred twenty-eight billion, five hundred seventy-eight million, three hundred five thousand, eight hundred six".