328508305858 has 4 divisors (see below), whose sum is σ = 492762458790. Its totient is φ = 164254152928.

The previous prime is 328508305817. The next prime is 328508305859. The reversal of 328508305858 is 858503805823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 267917006449 + 60591299409 = 517607^2 + 246153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 328508305799 and 328508305808.

It is not an unprimeable number, because it can be changed into a prime (328508305859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82127076463 + ... + 82127076466.

Almost surely, 2^328508305858 is an apocalyptic number.

328508305858 is a deficient number, since it is larger than the sum of its proper divisors (164254152932).

328508305858 is a wasteful number, since it uses less digits than its factorization.

328508305858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164254152931.

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 328508305858 in words is "three hundred twenty-eight billion, five hundred eight million, three hundred five thousand, eight hundred fifty-eight".