320235427877 has 2 divisors, whose sum is σ = 320235427878. Its totient is φ = 320235427876.

The previous prime is 320235427871. The next prime is 320235427909. The reversal of 320235427877 is 778724532023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231412950916 + 88822476961 = 481054^2 + 298031^2 .

It is a cyclic number.

It is not a de Polignac number, because 320235427877 - 2⁸ = 320235427621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320235427871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160117713938 + 160117713939.

It is an arithmetic number, because the mean of its divisors is an integer number (160117713939).

Almost surely, 2^320235427877 is an apocalyptic number.

It is an amenable number.

320235427877 is a deficient number, since it is larger than the sum of its proper divisors (1).

320235427877 is an equidigital number, since it uses as much as digits as its factorization.

320235427877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 50.

The spelling of 320235427877 in words is "three hundred twenty billion, two hundred thirty-five million, four hundred twenty-seven thousand, eight hundred seventy-seven".