329967378047 has 4 divisors (see below), whose sum is σ = 330039161496. Its totient is φ = 329895594600.

The previous prime is 329967378029. The next prime is 329967378053. The reversal of 329967378047 is 740873769923.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 329967378047 - 2¹⁶ = 329967312511 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 (329967378067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35884829 + ... + 35894022.

It is an arithmetic number, because the mean of its divisors is an integer number (82509790374).

Almost surely, 2^329967378047 is an apocalyptic number.

329967378047 is a deficient number, since it is larger than the sum of its proper divisors (71783449).

329967378047 is an equidigital number, since it uses as much as digits as its factorization.

329967378047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71783448.

The product of its (nonzero) digits is 96018048, while the sum is 65.

The spelling of 329967378047 in words is "three hundred twenty-nine billion, nine hundred sixty-seven million, three hundred seventy-eight thousand, forty-seven".