320211302977 has 2 divisors, whose sum is σ = 320211302978. Its totient is φ = 320211302976.

The previous prime is 320211302969. The next prime is 320211303229. The reversal of 320211302977 is 779203112023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169394803776 + 150816499201 = 411576^2 + 388351^2 .

It is a cyclic number.

It is not a de Polignac number, because 320211302977 - 2³ = 320211302969 is a prime.

It is not a weakly prime, because it can be changed into another prime (320211302377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160105651488 + 160105651489.

It is an arithmetic number, because the mean of its divisors is an integer number (160105651489).

Almost surely, 2^320211302977 is an apocalyptic number.

It is an amenable number.

320211302977 is a deficient number, since it is larger than the sum of its proper divisors (1).

320211302977 is an equidigital number, since it uses as much as digits as its factorization.

320211302977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The spelling of 320211302977 in words is "three hundred twenty billion, two hundred eleven million, three hundred two thousand, nine hundred seventy-seven".