320879326396 has 48 divisors (see below), whose sum is σ = 567625212000. Its totient is φ = 158712922368.

The previous prime is 320879326393. The next prime is 320879326451. The reversal of 320879326396 is 693623978023.

It is a self number, because there is not a number n which added to its sum of digits gives 320879326396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320879326393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109178295 + ... + 109181233.

It is an arithmetic number, because the mean of its divisors is an integer number (11825525250).

Almost surely, 2^320879326396 is an apocalyptic number.

It is an amenable number.

320879326396 is a deficient number, since it is larger than the sum of its proper divisors (246745885604).

320879326396 is a wasteful number, since it uses less digits than its factorization.

320879326396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886 (or 3884 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 320879326396 in words is "three hundred twenty billion, eight hundred seventy-nine million, three hundred twenty-six thousand, three hundred ninety-six".