328599999956 has 6 divisors (see below), whose sum is σ = 575049999930. Its totient is φ = 164299999976.

The previous prime is 328599999911. The next prime is 328599999977. The reversal of 328599999956 is 659999995823.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 321738528400 + 6861471556 = 567220^2 + 82834^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41074999991 + ... + 41074999998.

It is an arithmetic number, because the mean of its divisors is an integer number (95841666655).

Almost surely, 2^328599999956 is an apocalyptic number.

It is an amenable number.

328599999956 is a deficient number, since it is larger than the sum of its proper divisors (246449999974).

328599999956 is a wasteful number, since it uses less digits than its factorization.

328599999956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82149999993 (or 82149999991 counting only the distinct ones).

The product of its digits is 3826375200, while the sum is 83.

The spelling of 328599999956 in words is "three hundred twenty-eight billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-six".