320172550024207 has 2 divisors, whose sum is σ = 320172550024208. Its totient is φ = 320172550024206.

The previous prime is 320172550024139. The next prime is 320172550024259. The reversal of 320172550024207 is 702420055271023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320172550024207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320172550024207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320172550024507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160086275012103 + 160086275012104.

It is an arithmetic number, because the mean of its divisors is an integer number (160086275012104).

Almost surely, 2^{320172550024207} is an apocalyptic number.

320172550024207 is a deficient number, since it is larger than the sum of its proper divisors (1).

320172550024207 is an equidigital number, since it uses as much as digits as its factorization.

320172550024207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 320172550024207 in words is "three hundred twenty trillion, one hundred seventy-two billion, five hundred fifty million, twenty-four thousand, two hundred seven".