842298826517 has 16 divisors (see below), whose sum is σ = 862820407152. Its totient is φ = 821951370240.

The previous prime is 842298826511. The next prime is 842298826541. The reversal of 842298826517 is 715628892248.

It can be written as a sum of positive squares in 8 ways, for example, as 48473067556 + 793825758961 = 220166^2 + 890969^2 .

It is a cyclic number.

It is not a de Polignac number, because 842298826517 - 2²⁶ = 842231717653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 842298826517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842298826511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38589467 + ... + 38611287.

It is an arithmetic number, because the mean of its divisors is an integer number (53926275447).

Almost surely, 2^842298826517 is an apocalyptic number.

It is an amenable number.

842298826517 is a deficient number, since it is larger than the sum of its proper divisors (20521580635).

842298826517 is a wasteful number, since it uses less digits than its factorization.

842298826517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25768.

The product of its digits is 30965760, while the sum is 62.

The spelling of 842298826517 in words is "eight hundred forty-two billion, two hundred ninety-eight million, eight hundred twenty-six thousand, five hundred seventeen".