387343122377 has 2 divisors, whose sum is σ = 387343122378. Its totient is φ = 387343122376.

The previous prime is 387343122359. The next prime is 387343122403. The reversal of 387343122377 is 773221343783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359113746121 + 28229376256 = 599261^2 + 168016^2 .

It is a cyclic number.

It is not a de Polignac number, because 387343122377 - 2²⁰ = 387342073801 is a prime.

It is not a weakly prime, because it can be changed into another prime (387343121377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193671561188 + 193671561189.

It is an arithmetic number, because the mean of its divisors is an integer number (193671561189).

Almost surely, 2^387343122377 is an apocalyptic number.

It is an amenable number.

387343122377 is a deficient number, since it is larger than the sum of its proper divisors (1).

387343122377 is an equidigital number, since it uses as much as digits as its factorization.

387343122377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3556224, while the sum is 50.

The spelling of 387343122377 in words is "three hundred eighty-seven billion, three hundred forty-three million, one hundred twenty-two thousand, three hundred seventy-seven".