439678608223 has 4 divisors (see below), whose sum is σ = 439851101400. Its totient is φ = 439506115048.

The previous prime is 439678608157. The next prime is 439678608323. The reversal of 439678608223 is 322806876934.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322806876934 = 2 ⋅161403438467.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439678608223 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439678608323) 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 in 3 ways as a sum of consecutive naturals, for example, 86242765 + ... + 86247862.

It is an arithmetic number, because the mean of its divisors is an integer number (109962775350).

Almost surely, 2^439678608223 is an apocalyptic number.

439678608223 is a deficient number, since it is larger than the sum of its proper divisors (172493177).

439678608223 is a wasteful number, since it uses less digits than its factorization.

439678608223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172493176.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 439678608223 in words is "four hundred thirty-nine billion, six hundred seventy-eight million, six hundred eight thousand, two hundred twenty-three".