328446687418247 has 8 divisors (see below), whose sum is σ = 328485288166560. Its totient is φ = 328408087708800.

The previous prime is 328446687418189. The next prime is 328446687418391. The reversal of 328446687418247 is 742814786644823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328446687418247 - 2¹⁸ = 328446687156103 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 (328446687418547) 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 7 ways as a sum of consecutive naturals, for example, 760427747 + ... + 760859547.

It is an arithmetic number, because the mean of its divisors is an integer number (41060661020820).

Almost surely, 2^{328446687418247} is an apocalyptic number.

328446687418247 is a deficient number, since it is larger than the sum of its proper divisors (38600748313).

328446687418247 is an equidigital number, since it uses as much as digits as its factorization.

328446687418247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519433.

The product of its digits is 2774532096, while the sum is 74.

The spelling of 328446687418247 in words is "three hundred twenty-eight trillion, four hundred forty-six billion, six hundred eighty-seven million, four hundred eighteen thousand, two hundred forty-seven".