841277161 has 2 divisors, whose sum is σ = 841277162. Its totient is φ = 841277160.

The previous prime is 841277137. The next prime is 841277179. The reversal of 841277161 is 161772148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 816873561 + 24403600 = 28581^2 + 4940^2 .

It is a cyclic number.

It is not a de Polignac number, because 841277161 - 2⁷ = 841277033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 841277161.

It is not a weakly prime, because it can be changed into another prime (841277131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420638580 + 420638581.

It is an arithmetic number, because the mean of its divisors is an integer number (420638581).

Almost surely, 2^841277161 is an apocalyptic number.

It is an amenable number.

841277161 is a deficient number, since it is larger than the sum of its proper divisors (1).

841277161 is an equidigital number, since it uses as much as digits as its factorization.

841277161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 37.

The square root of 841277161 is about 29004.7782442824. The cubic root of 841277161 is about 944.0167487363.

The spelling of 841277161 in words is "eight hundred forty-one million, two hundred seventy-seven thousand, one hundred sixty-one".