328505376786 has 8 divisors (see below), whose sum is σ = 657010753584. Its totient is φ = 109501792260.

The previous prime is 328505376769. The next prime is 328505376817. The reversal of 328505376786 is 687673505823.

It is a sphenic number, since it is the product of 3 distinct primes.

328505376786 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27375448060 + ... + 27375448071.

It is an arithmetic number, because the mean of its divisors is an integer number (82126344198).

Almost surely, 2^328505376786 is an apocalyptic number.

328505376786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328505376786 is a wasteful number, since it uses less digits than its factorization.

328505376786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54750896136.

The product of its (nonzero) digits is 50803200, while the sum is 60.

The spelling of 328505376786 in words is "three hundred twenty-eight billion, five hundred five million, three hundred seventy-six thousand, seven hundred eighty-six".