328666276823 has 2 divisors, whose sum is σ = 328666276824. Its totient is φ = 328666276822.

The previous prime is 328666276793. The next prime is 328666276831. The reversal of 328666276823 is 328672666823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328666276823 - 2²⁶ = 328599167959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328666276223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164333138411 + 164333138412.

It is an arithmetic number, because the mean of its divisors is an integer number (164333138412).

Almost surely, 2^328666276823 is an apocalyptic number.

328666276823 is a deficient number, since it is larger than the sum of its proper divisors (1).

328666276823 is an equidigital number, since it uses as much as digits as its factorization.

328666276823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 59.

The spelling of 328666276823 in words is "three hundred twenty-eight billion, six hundred sixty-six million, two hundred seventy-six thousand, eight hundred twenty-three".