320866735327 has 2 divisors, whose sum is σ = 320866735328. Its totient is φ = 320866735326.

The previous prime is 320866735291. The next prime is 320866735487. The reversal of 320866735327 is 723537668023.

It is a weak prime.

It is an emirp because it is prime and its reverse (723537668023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320866735327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320866732327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160433367663 + 160433367664.

It is an arithmetic number, because the mean of its divisors is an integer number (160433367664).

Almost surely, 2^320866735327 is an apocalyptic number.

320866735327 is a deficient number, since it is larger than the sum of its proper divisors (1).

320866735327 is an equidigital number, since it uses as much as digits as its factorization.

320866735327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 320866735327 in words is "three hundred twenty billion, eight hundred sixty-six million, seven hundred thirty-five thousand, three hundred twenty-seven".