320422796279 has 2 divisors, whose sum is σ = 320422796280. Its totient is φ = 320422796278.

The previous prime is 320422796251. The next prime is 320422796297. The reversal of 320422796279 is 972697224023.

Together with next prime (320422796297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320422796279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320422796279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320422796219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160211398139 + 160211398140.

It is an arithmetic number, because the mean of its divisors is an integer number (160211398140).

Almost surely, 2^320422796279 is an apocalyptic number.

320422796279 is a deficient number, since it is larger than the sum of its proper divisors (1).

320422796279 is an equidigital number, since it uses as much as digits as its factorization.

320422796279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 320422796279 in words is "three hundred twenty billion, four hundred twenty-two million, seven hundred ninety-six thousand, two hundred seventy-nine".