328798405625 has 10 divisors (see below), whose sum is σ = 410866488450. Its totient is φ = 263038724000.

The previous prime is 328798405603. The next prime is 328798405631. The reversal of 328798405625 is 526504897823.

It can be written as a sum of positive squares in 5 ways, for example, as 199632920809 + 129165484816 = 446803^2 + 359396^2 .

It is not a de Polignac number, because 328798405625 - 2¹⁸ = 328798143481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 263038100 + ... + 263039349.

It is an arithmetic number, because the mean of its divisors is an integer number (41086648845).

Almost surely, 2^328798405625 is an apocalyptic number.

It is an amenable number.

328798405625 is a deficient number, since it is larger than the sum of its proper divisors (82068082825).

328798405625 is an frugal number, since it uses more digits than its factorization.

328798405625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526077469 (or 526077454 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 328798405625 in words is "three hundred twenty-eight billion, seven hundred ninety-eight million, four hundred five thousand, six hundred twenty-five".