439984023117 has 8 divisors (see below), whose sum is σ = 600953787840. Its totient is φ = 286168470240.

The previous prime is 439984023109. The next prime is 439984023211. The reversal of 439984023117 is 711320489934.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 439984023117 - 2³ = 439984023109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 439984023117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439984023517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788552817 + ... + 1788553062.

It is an arithmetic number, because the mean of its divisors is an integer number (75119223480).

Almost surely, 2^439984023117 is an apocalyptic number.

It is an amenable number.

439984023117 is a deficient number, since it is larger than the sum of its proper divisors (160969764723).

439984023117 is a wasteful number, since it uses less digits than its factorization.

439984023117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577105923.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 439984023117 in words is "four hundred thirty-nine billion, nine hundred eighty-four million, twenty-three thousand, one hundred seventeen".