822086873 has 2 divisors, whose sum is σ = 822086874. Its totient is φ = 822086872.

The previous prime is 822086849. The next prime is 822086887. The reversal of 822086873 is 378680228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624600064 + 197486809 = 24992^2 + 14053^2 .

It is a cyclic number.

It is not a de Polignac number, because 822086873 - 2¹⁶ = 822021337 is a prime.

It is not a weakly prime, because it can be changed into another prime (822086893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411043436 + 411043437.

It is an arithmetic number, because the mean of its divisors is an integer number (411043437).

Almost surely, 2^822086873 is an apocalyptic number.

It is an amenable number.

822086873 is a deficient number, since it is larger than the sum of its proper divisors (1).

822086873 is an equidigital number, since it uses as much as digits as its factorization.

822086873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 822086873 is about 28672.0573555509. The cubic root of 822086873 is about 936.7835110601.

The spelling of 822086873 in words is "eight hundred twenty-two million, eighty-six thousand, eight hundred seventy-three".