84558791663 has 2 divisors, whose sum is σ = 84558791664. Its totient is φ = 84558791662.

The previous prime is 84558791657. The next prime is 84558791689. The reversal of 84558791663 is 36619785548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84558791663 - 2⁶ = 84558791599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84558791596 and 84558791605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84558791633) 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 as a sum of consecutive naturals, namely, 42279395831 + 42279395832.

It is an arithmetic number, because the mean of its divisors is an integer number (42279395832).

Almost surely, 2^84558791663 is an apocalyptic number.

84558791663 is a deficient number, since it is larger than the sum of its proper divisors (1).

84558791663 is an equidigital number, since it uses as much as digits as its factorization.

84558791663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 62.

The spelling of 84558791663 in words is "eighty-four billion, five hundred fifty-eight million, seven hundred ninety-one thousand, six hundred sixty-three".