84442137115873 has 2 divisors, whose sum is σ = 84442137115874. Its totient is φ = 84442137115872.

The previous prime is 84442137115811. The next prime is 84442137115877. The reversal of 84442137115873 is 37851173124448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80336946495744 + 4105190620129 = 8963088^2 + 2026127^2 .

It is a cyclic number.

It is not a de Polignac number, because 84442137115873 - 2¹³ = 84442137107681 is a prime.

It is not a weakly prime, because it can be changed into another prime (84442137115877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42221068557936 + 42221068557937.

It is an arithmetic number, because the mean of its divisors is an integer number (42221068557937).

Almost surely, 2^{84442137115873} is an apocalyptic number.

It is an amenable number.

84442137115873 is a deficient number, since it is larger than the sum of its proper divisors (1).

84442137115873 is an equidigital number, since it uses as much as digits as its factorization.

84442137115873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 58.

The spelling of 84442137115873 in words is "eighty-four trillion, four hundred forty-two billion, one hundred thirty-seven million, one hundred fifteen thousand, eight hundred seventy-three".