84223267442497 has 2 divisors, whose sum is σ = 84223267442498. Its totient is φ = 84223267442496.

The previous prime is 84223267442417. The next prime is 84223267442527. The reversal of 84223267442497 is 79424476232248.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60174012210481 + 24049255232016 = 7757191^2 + 4904004^2 .

It is a cyclic number.

It is not a de Polignac number, because 84223267442497 - 2³¹ = 84221119958849 is a prime.

It is not a weakly prime, because it can be changed into another prime (84223267442417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42111633721248 + 42111633721249.

It is an arithmetic number, because the mean of its divisors is an integer number (42111633721249).

Almost surely, 2^{84223267442497} is an apocalyptic number.

It is an amenable number.

84223267442497 is a deficient number, since it is larger than the sum of its proper divisors (1).

84223267442497 is an equidigital number, since it uses as much as digits as its factorization.

84223267442497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 260112384, while the sum is 64.

The spelling of 84223267442497 in words is "eighty-four trillion, two hundred twenty-three billion, two hundred sixty-seven million, four hundred forty-two thousand, four hundred ninety-seven".