84336158804789 has 2 divisors, whose sum is σ = 84336158804790. Its totient is φ = 84336158804788.

The previous prime is 84336158804783. The next prime is 84336158804851. The reversal of 84336158804789 is 98740885163348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66985876560100 + 17350282244689 = 8184490^2 + 4165367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84336158804789 is a prime.

It is a super-2 number, since 2×84336158804789² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84336158804783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42168079402394 + 42168079402395.

It is an arithmetic number, because the mean of its divisors is an integer number (42168079402395).

Almost surely, 2^{84336158804789} is an apocalyptic number.

It is an amenable number.

84336158804789 is a deficient number, since it is larger than the sum of its proper divisors (1).

84336158804789 is an equidigital number, since it uses as much as digits as its factorization.

84336158804789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1114767360, while the sum is 74.

The spelling of 84336158804789 in words is "eighty-four trillion, three hundred thirty-six billion, one hundred fifty-eight million, eight hundred four thousand, seven hundred eighty-nine".