4478563447 has 2 divisors, whose sum is σ = 4478563448. Its totient is φ = 4478563446.

The previous prime is 4478563337. The next prime is 4478563493. The reversal of 4478563447 is 7443658744.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4478563447 - 2⁷ = 4478563319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4478563394 and 4478563403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478563847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239281723 + 2239281724.

It is an arithmetic number, because the mean of its divisors is an integer number (2239281724).

Almost surely, 2^4478563447 is an apocalyptic number.

4478563447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478563447 is an equidigital number, since it uses as much as digits as its factorization.

4478563447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 52.

The square root of 4478563447 is about 66922.0699545374. The cubic root of 4478563447 is about 1648.3378973732.

The spelling of 4478563447 in words is "four billion, four hundred seventy-eight million, five hundred sixty-three thousand, four hundred forty-seven".