328666496747 has 2 divisors, whose sum is σ = 328666496748. Its totient is φ = 328666496746.

The previous prime is 328666496707. The next prime is 328666496803. The reversal of 328666496747 is 747694666823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 328666496747 - 2²⁰ = 328665448171 is a prime.

It is not a weakly prime, because it can be changed into another prime (328666496707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164333248373 + 164333248374.

It is an arithmetic number, because the mean of its divisors is an integer number (164333248374).

Almost surely, 2^328666496747 is an apocalyptic number.

328666496747 is a deficient number, since it is larger than the sum of its proper divisors (1).

328666496747 is an equidigital number, since it uses as much as digits as its factorization.

328666496747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 438939648, while the sum is 68.

The spelling of 328666496747 in words is "three hundred twenty-eight billion, six hundred sixty-six million, four hundred ninety-six thousand, seven hundred forty-seven".