84470445006647 has 8 divisors (see below), whose sum is σ = 96554466958752. Its totient is φ = 72390626935200.

The previous prime is 84470445006643. The next prime is 84470445006679. The reversal of 84470445006647 is 74660054407448.

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

It is not a de Polignac number, because 84470445006647 - 2² = 84470445006643 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 (84470445006643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050927104 + ... + 1051007477.

It is an arithmetic number, because the mean of its divisors is an integer number (12069308369844).

Almost surely, 2^{84470445006647} is an apocalyptic number.

84470445006647 is a deficient number, since it is larger than the sum of its proper divisors (12084021952105).

84470445006647 is a wasteful number, since it uses less digits than its factorization.

84470445006647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101940329.

The product of its (nonzero) digits is 72253440, while the sum is 59.

The spelling of 84470445006647 in words is "eighty-four trillion, four hundred seventy billion, four hundred forty-five million, six thousand, six hundred forty-seven".