320660972707 has 2 divisors, whose sum is σ = 320660972708. Its totient is φ = 320660972706.

The previous prime is 320660972659. The next prime is 320660972713. The reversal of 320660972707 is 707279066023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320660972707 - 2⁷ = 320660972579 is a prime.

It is not a weakly prime, because it can be changed into another prime (320660912707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160330486353 + 160330486354.

It is an arithmetic number, because the mean of its divisors is an integer number (160330486354).

Almost surely, 2^320660972707 is an apocalyptic number.

320660972707 is a deficient number, since it is larger than the sum of its proper divisors (1).

320660972707 is an equidigital number, since it uses as much as digits as its factorization.

320660972707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 320660972707 in words is "three hundred twenty billion, six hundred sixty million, nine hundred seventy-two thousand, seven hundred seven".