876422161 has 2 divisors, whose sum is σ = 876422162. Its totient is φ = 876422160.

The previous prime is 876422119. The next prime is 876422201. The reversal of 876422161 is 161224678.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733380561 + 143041600 = 27081^2 + 11960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-876422161 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 876422161.

It is not a weakly prime, because it can be changed into another prime (876423161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 438211080 + 438211081.

It is an arithmetic number, because the mean of its divisors is an integer number (438211081).

Almost surely, 2^876422161 is an apocalyptic number.

It is an amenable number.

876422161 is a deficient number, since it is larger than the sum of its proper divisors (1).

876422161 is an equidigital number, since it uses as much as digits as its factorization.

876422161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 876422161 is about 29604.4280640583. The cubic root of 876422161 is about 956.9835006347.

The spelling of 876422161 in words is "eight hundred seventy-six million, four hundred twenty-two thousand, one hundred sixty-one".