782074222673 has 2 divisors, whose sum is σ = 782074222674. Its totient is φ = 782074222672.

The previous prime is 782074222669. The next prime is 782074222691. The reversal of 782074222673 is 376222470287.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403316445184 + 378757777489 = 635072^2 + 615433^2 .

It is a cyclic number.

It is not a de Polignac number, because 782074222673 - 2² = 782074222669 is a prime.

It is a super-2 number, since 2×782074222673² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (782074222613) 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, 391037111336 + 391037111337.

It is an arithmetic number, because the mean of its divisors is an integer number (391037111337).

Almost surely, 2^782074222673 is an apocalyptic number.

It is an amenable number.

782074222673 is a deficient number, since it is larger than the sum of its proper divisors (1).

782074222673 is an equidigital number, since it uses as much as digits as its factorization.

782074222673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 782074222673 in words is "seven hundred eighty-two billion, seventy-four million, two hundred twenty-two thousand, six hundred seventy-three".