772733981859797 has 2 divisors, whose sum is σ = 772733981859798. Its totient is φ = 772733981859796.

The previous prime is 772733981859793. The next prime is 772733981859841. The reversal of 772733981859797 is 797958189337277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 534372063687121 + 238361918172676 = 23116489^2 + 15438974^2 .

It is a cyclic number.

It is not a de Polignac number, because 772733981859797 - 2² = 772733981859793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772733981859793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386366990929898 + 386366990929899.

It is an arithmetic number, because the mean of its divisors is an integer number (386366990929899).

Almost surely, 2^{772733981859797} is an apocalyptic number.

It is an amenable number.

772733981859797 is a deficient number, since it is larger than the sum of its proper divisors (1).

772733981859797 is an equidigital number, since it uses as much as digits as its factorization.

772733981859797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70573265280, while the sum is 92.

The spelling of 772733981859797 in words is "seven hundred seventy-two trillion, seven hundred thirty-three billion, nine hundred eighty-one million, eight hundred fifty-nine thousand, seven hundred ninety-seven".