772834422977 has 2 divisors, whose sum is σ = 772834422978. Its totient is φ = 772834422976.

The previous prime is 772834422967. The next prime is 772834422991. The reversal of 772834422977 is 779224438277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 731852874256 + 40981548721 = 855484^2 + 202439^2 .

It is a cyclic number.

It is not a de Polignac number, because 772834422977 - 2⁴ = 772834422961 is a prime.

It is not a weakly prime, because it can be changed into another prime (772834422907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386417211488 + 386417211489.

It is an arithmetic number, because the mean of its divisors is an integer number (386417211489).

Almost surely, 2^772834422977 is an apocalyptic number.

It is an amenable number.

772834422977 is a deficient number, since it is larger than the sum of its proper divisors (1).

772834422977 is an equidigital number, since it uses as much as digits as its factorization.

772834422977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66382848, while the sum is 62.

The spelling of 772834422977 in words is "seven hundred seventy-two billion, eight hundred thirty-four million, four hundred twenty-two thousand, nine hundred seventy-seven".