773321025091 has 2 divisors, whose sum is σ = 773321025092. Its totient is φ = 773321025090.

The previous prime is 773321025083. The next prime is 773321025109. The reversal of 773321025091 is 190520123377.

Together with next prime (773321025109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 773321025091 - 2³ = 773321025083 is a prime.

It is not a weakly prime, because it can be changed into another prime (773321025011) 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, 386660512545 + 386660512546.

It is an arithmetic number, because the mean of its divisors is an integer number (386660512546).

Almost surely, 2^773321025091 is an apocalyptic number.

773321025091 is a deficient number, since it is larger than the sum of its proper divisors (1).

773321025091 is an equidigital number, since it uses as much as digits as its factorization.

773321025091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 773321025091 in words is "seven hundred seventy-three billion, three hundred twenty-one million, twenty-five thousand, ninety-one".