328173753397 has 4 divisors (see below), whose sum is σ = 375055718176. Its totient is φ = 281291788620.

The previous prime is 328173753377. The next prime is 328173753407. The reversal of 328173753397 is 793357371823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328173753397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328173753377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23440982379 + ... + 23440982392.

It is an arithmetic number, because the mean of its divisors is an integer number (93763929544).

Almost surely, 2^328173753397 is an apocalyptic number.

It is an amenable number.

328173753397 is a deficient number, since it is larger than the sum of its proper divisors (46881964779).

328173753397 is an equidigital number, since it uses as much as digits as its factorization.

328173753397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46881964778.

The product of its digits is 20003760, while the sum is 58.

The spelling of 328173753397 in words is "three hundred twenty-eight billion, one hundred seventy-three million, seven hundred fifty-three thousand, three hundred ninety-seven".