439954563077 has 8 divisors (see below), whose sum is σ = 465974487936. Its totient is φ = 413950220992.

The previous prime is 439954563031. The next prime is 439954563109. The reversal of 439954563077 is 770365459934.

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

It is a cyclic number.

It is not a de Polignac number, because 439954563077 - 2²⁶ = 439887454213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439954563677) 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 7 ways as a sum of consecutive naturals, for example, 3837533 + ... + 3950514.

It is an arithmetic number, because the mean of its divisors is an integer number (58246810992).

Almost surely, 2^439954563077 is an apocalyptic number.

It is an amenable number.

439954563077 is a deficient number, since it is larger than the sum of its proper divisors (26019924859).

439954563077 is a wasteful number, since it uses less digits than its factorization.

439954563077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791387.

The product of its (nonzero) digits is 85730400, while the sum is 62.

The spelling of 439954563077 in words is "four hundred thirty-nine billion, nine hundred fifty-four million, five hundred sixty-three thousand, seventy-seven".