777004041161 has 2 divisors, whose sum is σ = 777004041162. Its totient is φ = 777004041160.

The previous prime is 777004041109. The next prime is 777004041179. The reversal of 777004041161 is 161140400777.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 745426751161 + 31577290000 = 863381^2 + 177700^2 .

It is an emirp because it is prime and its reverse (161140400777) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 777004041161 - 2¹⁴ = 777004024777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (777004041761) 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, 388502020580 + 388502020581.

It is an arithmetic number, because the mean of its divisors is an integer number (388502020581).

Almost surely, 2^777004041161 is an apocalyptic number.

It is an amenable number.

777004041161 is a deficient number, since it is larger than the sum of its proper divisors (1).

777004041161 is an equidigital number, since it uses as much as digits as its factorization.

777004041161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 777004041161 in words is "seven hundred seventy-seven billion, four million, forty-one thousand, one hundred sixty-one".