328835725309 has 32 divisors (see below), whose sum is σ = 405696574976. Its totient is φ = 259551371520.

The previous prime is 328835725261. The next prime is 328835725399. The reversal of 328835725309 is 903527538823.

It is not a de Polignac number, because 328835725309 - 2⁹ = 328835724797 is a prime.

It is a super-2 number, since 2×328835725309² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328835725309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328835725399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77171239 + ... + 77175499.

It is an arithmetic number, because the mean of its divisors is an integer number (12678017968).

Almost surely, 2^328835725309 is an apocalyptic number.

It is an amenable number.

328835725309 is a deficient number, since it is larger than the sum of its proper divisors (76860849667).

328835725309 is a wasteful number, since it uses less digits than its factorization.

328835725309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6125.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 328835725309 in words is "three hundred twenty-eight billion, eight hundred thirty-five million, seven hundred twenty-five thousand, three hundred nine".