84808226563 has 2 divisors, whose sum is σ = 84808226564. Its totient is φ = 84808226562.

The previous prime is 84808226561. The next prime is 84808226579. The reversal of 84808226563 is 36562280848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84808226563 - 2¹ = 84808226561 is a prime.

It is a super-2 number, since 2×84808226563² (a number of 23 digits) contains 22 as substring.

Together with 84808226561, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 84808226563.

It is not a weakly prime, because it can be changed into another prime (84808226561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42404113281 + 42404113282.

It is an arithmetic number, because the mean of its divisors is an integer number (42404113282).

Almost surely, 2^84808226563 is an apocalyptic number.

84808226563 is a deficient number, since it is larger than the sum of its proper divisors (1).

84808226563 is an equidigital number, since it uses as much as digits as its factorization.

84808226563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 84808226563 in words is "eighty-four billion, eight hundred eight million, two hundred twenty-six thousand, five hundred sixty-three".