320375677 has 2 divisors, whose sum is σ = 320375678. Its totient is φ = 320375676.

The previous prime is 320375651. The next prime is 320375719. The reversal of 320375677 is 776573023.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318765316 + 1610361 = 17854^2 + 1269^2 .

It is a cyclic number.

It is not a de Polignac number, because 320375677 - 2²⁷ = 186157949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320375617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160187838 + 160187839.

It is an arithmetic number, because the mean of its divisors is an integer number (160187839).

Almost surely, 2^320375677 is an apocalyptic number.

It is an amenable number.

320375677 is a deficient number, since it is larger than the sum of its proper divisors (1).

320375677 is an equidigital number, since it uses as much as digits as its factorization.

320375677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220, while the sum is 40.

The square root of 320375677 is about 17899.0412313062. The cubic root of 320375677 is about 684.2579400905.

The spelling of 320375677 in words is "three hundred twenty million, three hundred seventy-five thousand, six hundred seventy-seven".