8439545223 has 16 divisors (see below), whose sum is σ = 12504492000. Its totient is φ = 5625705600.

The previous prime is 8439545197. The next prime is 8439545243. The reversal of 8439545223 is 3225459348.

8439545223 is a `hidden beast` number, since 84 + 3 + 9 + 545 + 2 + 23 = 666.

It is not a de Polignac number, because 8439545223 - 2¹³ = 8439537031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8439545243) 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 in 15 ways as a sum of consecutive naturals, for example, 357073 + ... + 379973.

It is an arithmetic number, because the mean of its divisors is an integer number (781530750).

Almost surely, 2^8439545223 is an apocalyptic number.

8439545223 is a deficient number, since it is larger than the sum of its proper divisors (4064946777).

8439545223 is a wasteful number, since it uses less digits than its factorization.

8439545223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36559 (or 36553 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 8439545223 is about 91866.9974637247. The cubic root of 8439545223 is about 2035.9776906933.

The spelling of 8439545223 in words is "eight billion, four hundred thirty-nine million, five hundred forty-five thousand, two hundred twenty-three".