84938989184 has 64 divisors (see below), whose sum is σ = 193646918400. Its totient is φ = 36353664000.

The previous prime is 84938989171. The next prime is 84938989189. The reversal of 84938989184 is 48198983948.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (84938989189) 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, 609782 + ... + 736010.

It is an arithmetic number, because the mean of its divisors is an integer number (3025733100).

Almost surely, 2^84938989184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84938989184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96823459200).

84938989184 is an abundant number, since it is smaller than the sum of its proper divisors (108707929216).

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

84938989184 is a wasteful number, since it uses less digits than its factorization.

84938989184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127001 (or 126989 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 71.

The spelling of 84938989184 in words is "eighty-four billion, nine hundred thirty-eight million, nine hundred eighty-nine thousand, one hundred eighty-four".