321322022977 has 2 divisors, whose sum is σ = 321322022978. Its totient is φ = 321322022976.

The previous prime is 321322022969. The next prime is 321322023119. The reversal of 321322022977 is 779220223123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307571177281 + 13750845696 = 554591^2 + 117264^2 .

It is a cyclic number.

It is not a de Polignac number, because 321322022977 - 2³ = 321322022969 is a prime.

It is not a weakly prime, because it can be changed into another prime (321322022677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661011488 + 160661011489.

It is an arithmetic number, because the mean of its divisors is an integer number (160661011489).

Almost surely, 2^321322022977 is an apocalyptic number.

It is an amenable number.

321322022977 is a deficient number, since it is larger than the sum of its proper divisors (1).

321322022977 is an equidigital number, since it uses as much as digits as its factorization.

321322022977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 321322022977 in words is "three hundred twenty-one billion, three hundred twenty-two million, twenty-two thousand, nine hundred seventy-seven".