320705452867 has 4 divisors (see below), whose sum is σ = 320706593496. Its totient is φ = 320704312240.

The previous prime is 320705452801. The next prime is 320705452913. The reversal of 320705452867 is 768254507023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320705452867 - 2²⁷ = 320571235139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320705452867.

It is not an unprimeable number, because it can be changed into a prime (320705450867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183948 + ... + 821734.

It is an arithmetic number, because the mean of its divisors is an integer number (80176648374).

Almost surely, 2^320705452867 is an apocalyptic number.

320705452867 is a deficient number, since it is larger than the sum of its proper divisors (1140629).

320705452867 is an equidigital number, since it uses as much as digits as its factorization.

320705452867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140628.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 320705452867 in words is "three hundred twenty billion, seven hundred five million, four hundred fifty-two thousand, eight hundred sixty-seven".