396775583773 has 2 divisors, whose sum is σ = 396775583774. Its totient is φ = 396775583772.

The previous prime is 396775583731. The next prime is 396775583801. The reversal of 396775583773 is 377385577693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325194186564 + 71581397209 = 570258^2 + 267547^2 .

It is a cyclic number.

It is not a de Polignac number, because 396775583773 - 2²¹ = 396773486621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (396775583473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198387791886 + 198387791887.

It is an arithmetic number, because the mean of its divisors is an integer number (198387791887).

Almost surely, 2^396775583773 is an apocalyptic number.

It is an amenable number.

396775583773 is a deficient number, since it is larger than the sum of its proper divisors (1).

396775583773 is an equidigital number, since it uses as much as digits as its factorization.

396775583773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 700131600, while the sum is 70.

The spelling of 396775583773 in words is "three hundred ninety-six billion, seven hundred seventy-five million, five hundred eighty-three thousand, seven hundred seventy-three".