775161841 has 2 divisors, whose sum is σ = 775161842. Its totient is φ = 775161840.

The previous prime is 775161811. The next prime is 775161901. The reversal of 775161841 is 148161577.

775161841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541958400 + 233203441 = 23280^2 + 15271^2 .

It is a cyclic number.

It is not a de Polignac number, because 775161841 - 2⁷ = 775161713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775161794 and 775161803.

It is not a weakly prime, because it can be changed into another prime (775161811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387580920 + 387580921.

It is an arithmetic number, because the mean of its divisors is an integer number (387580921).

Almost surely, 2^775161841 is an apocalyptic number.

It is an amenable number.

775161841 is a deficient number, since it is larger than the sum of its proper divisors (1).

775161841 is an equidigital number, since it uses as much as digits as its factorization.

775161841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 40.

The square root of 775161841 is about 27841.7284125824. The cubic root of 775161841 is about 918.6092096046.

The spelling of 775161841 in words is "seven hundred seventy-five million, one hundred sixty-one thousand, eight hundred forty-one".