8478426223 has 2 divisors, whose sum is σ = 8478426224. Its totient is φ = 8478426222.

The previous prime is 8478426211. The next prime is 8478426233. The reversal of 8478426223 is 3226248748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8478426223 - 2⁵ = 8478426191 is a prime.

It is a super-2 number, since 2×8478426223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8478426233) 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, 4239213111 + 4239213112.

It is an arithmetic number, because the mean of its divisors is an integer number (4239213112).

Almost surely, 2^8478426223 is an apocalyptic number.

8478426223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8478426223 is an equidigital number, since it uses as much as digits as its factorization.

8478426223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 46.

The square root of 8478426223 is about 92078.3700062072. The cubic root of 8478426223 is about 2039.0994858440.

The spelling of 8478426223 in words is "eight billion, four hundred seventy-eight million, four hundred twenty-six thousand, two hundred twenty-three".