84716643439 has 8 divisors (see below), whose sum is σ = 89702959248. Its totient is φ = 79730659200.

The previous prime is 84716643437. The next prime is 84716643461. The reversal of 84716643439 is 93434661748.

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 84716643439 - 2¹ = 84716643437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84716643439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84716643437) 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, 607509 + ... + 733825.

It is an arithmetic number, because the mean of its divisors is an integer number (11212869906).

Almost surely, 2^84716643439 is an apocalyptic number.

84716643439 is a deficient number, since it is larger than the sum of its proper divisors (4986315809).

84716643439 is a wasteful number, since it uses less digits than its factorization.

84716643439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165785.

The product of its digits is 10450944, while the sum is 55.

The spelling of 84716643439 in words is "eighty-four billion, seven hundred sixteen million, six hundred forty-three thousand, four hundred thirty-nine".