772190841673 has 2 divisors, whose sum is σ = 772190841674. Its totient is φ = 772190841672.

The previous prime is 772190841671. The next prime is 772190841727. The reversal of 772190841673 is 376148091277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407825286544 + 364365555129 = 638612^2 + 603627^2 .

It is a cyclic number.

It is not a de Polignac number, because 772190841673 - 2¹ = 772190841671 is a prime.

Together with 772190841671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (772190841671) 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, 386095420836 + 386095420837.

It is an arithmetic number, because the mean of its divisors is an integer number (386095420837).

Almost surely, 2^772190841673 is an apocalyptic number.

It is an amenable number.

772190841673 is a deficient number, since it is larger than the sum of its proper divisors (1).

772190841673 is an equidigital number, since it uses as much as digits as its factorization.

772190841673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 55.

The spelling of 772190841673 in words is "seven hundred seventy-two billion, one hundred ninety million, eight hundred forty-one thousand, six hundred seventy-three".