84622716571 has 2 divisors, whose sum is σ = 84622716572. Its totient is φ = 84622716570.

The previous prime is 84622716527. The next prime is 84622716593. The reversal of 84622716571 is 17561722648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84622716571 - 2³¹ = 82475232923 is a prime.

It is a super-2 number, since 2×84622716571² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84622716511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42311358285 + 42311358286.

It is an arithmetic number, because the mean of its divisors is an integer number (42311358286).

Almost surely, 2^84622716571 is an apocalyptic number.

84622716571 is a deficient number, since it is larger than the sum of its proper divisors (1).

84622716571 is an equidigital number, since it uses as much as digits as its factorization.

84622716571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The spelling of 84622716571 in words is "eighty-four billion, six hundred twenty-two million, seven hundred sixteen thousand, five hundred seventy-one".