328779105 has 8 divisors (see below), whose sum is σ = 526046592. Its totient is φ = 175348848.

The previous prime is 328779091. The next prime is 328779131. The reversal of 328779105 is 501977823.

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

It is not a de Polignac number, because 328779105 - 2¹² = 328775009 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10959289 + ... + 10959318.

It is an arithmetic number, because the mean of its divisors is an integer number (65755824).

Almost surely, 2^328779105 is an apocalyptic number.

It is an amenable number.

328779105 is a deficient number, since it is larger than the sum of its proper divisors (197267487).

328779105 is a wasteful number, since it uses less digits than its factorization.

328779105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21918615.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 328779105 is about 18132.2669570024. The cubic root of 328779105 is about 690.1890576249.

The spelling of 328779105 in words is "three hundred twenty-eight million, seven hundred seventy-nine thousand, one hundred five".