772834422991 has 2 divisors, whose sum is σ = 772834422992. Its totient is φ = 772834422990.

The previous prime is 772834422977. The next prime is 772834423001. The reversal of 772834422991 is 199224438277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772834422991 - 2¹³ = 772834414799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772834422931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386417211495 + 386417211496.

It is an arithmetic number, because the mean of its divisors is an integer number (386417211496).

Almost surely, 2^772834422991 is an apocalyptic number.

772834422991 is a deficient number, since it is larger than the sum of its proper divisors (1).

772834422991 is an equidigital number, since it uses as much as digits as its factorization.

772834422991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12192768, while the sum is 58.

The spelling of 772834422991 in words is "seven hundred seventy-two billion, eight hundred thirty-four million, four hundred twenty-two thousand, nine hundred ninety-one".