329645675577 has 12 divisors (see below), whose sum is σ = 443596972560. Its totient is φ = 217747578672.

The previous prime is 329645675573. The next prime is 329645675591. The reversal of 329645675577 is 775576546923.

It is a happy number.

It is not a de Polignac number, because 329645675577 - 2² = 329645675573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (329645675573) 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 11 ways as a sum of consecutive naturals, for example, 4588627 + ... + 4659912.

It is an arithmetic number, because the mean of its divisors is an integer number (36966414380).

Almost surely, 2^329645675577 is an apocalyptic number.

It is an amenable number.

329645675577 is a deficient number, since it is larger than the sum of its proper divisors (113951296983).

329645675577 is an equidigital number, since it uses as much as digits as its factorization.

329645675577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248760 (or 9248651 counting only the distinct ones).

The product of its digits is 333396000, while the sum is 66.

The spelling of 329645675577 in words is "three hundred twenty-nine billion, six hundred forty-five million, six hundred seventy-five thousand, five hundred seventy-seven".