84946517844 has 12 divisors (see below), whose sum is σ = 198208541664. Its totient is φ = 28315505944.

The previous prime is 84946517839. The next prime is 84946517867. The reversal of 84946517844 is 44871564948.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539438232 + ... + 3539438255.

It is an arithmetic number, because the mean of its divisors is an integer number (16517378472).

Almost surely, 2^84946517844 is an apocalyptic number.

It is an amenable number.

84946517844 is an abundant number, since it is smaller than the sum of its proper divisors (113262023820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84946517844 is a wasteful number, since it uses less digits than its factorization.

84946517844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078876494 (or 7078876492 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The spelling of 84946517844 in words is "eighty-four billion, nine hundred forty-six million, five hundred seventeen thousand, eight hundred forty-four".