384584336779 has 2 divisors, whose sum is σ = 384584336780. Its totient is φ = 384584336778.

The previous prime is 384584336753. The next prime is 384584336797. The reversal of 384584336779 is 977633485483.

Together with next prime (384584336797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (977633485483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384584336779 - 2⁷ = 384584336651 is a prime.

It is a super-2 number, since 2×384584336779² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (384584336179) 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, 192292168389 + 192292168390.

It is an arithmetic number, because the mean of its divisors is an integer number (192292168390).

Almost surely, 2^384584336779 is an apocalyptic number.

384584336779 is a deficient number, since it is larger than the sum of its proper divisors (1).

384584336779 is an equidigital number, since it uses as much as digits as its factorization.

384584336779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 365783040, while the sum is 67.

The spelling of 384584336779 in words is "three hundred eighty-four billion, five hundred eighty-four million, three hundred thirty-six thousand, seven hundred seventy-nine".