84076075169 has 2 divisors, whose sum is σ = 84076075170. Its totient is φ = 84076075168.

The previous prime is 84076075147. The next prime is 84076075201. The reversal of 84076075169 is 96157067048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48957315169 + 35118760000 = 221263^2 + 187400^2 .

It is a cyclic number.

It is not a de Polignac number, because 84076075169 - 2²⁰ = 84075026593 is a prime.

It is a super-2 number, since 2×84076075169² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84076075169.

It is not a weakly prime, because it can be changed into another prime (84076075129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42038037584 + 42038037585.

It is an arithmetic number, because the mean of its divisors is an integer number (42038037585).

Almost surely, 2^84076075169 is an apocalyptic number.

It is an amenable number.

84076075169 is a deficient number, since it is larger than the sum of its proper divisors (1).

84076075169 is an equidigital number, since it uses as much as digits as its factorization.

84076075169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 84076075169 in words is "eighty-four billion, seventy-six million, seventy-five thousand, one hundred sixty-nine".