84004408080 has 120 divisors (see below), whose sum is σ = 282341928960. Its totient is φ = 22383141120.

The previous prime is 84004408021. The next prime is 84004408091. The reversal of 84004408080 is 8080440048.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 860145 + ... + 952815.

It is an arithmetic number, because the mean of its divisors is an integer number (2352849408).

Almost surely, 2^84004408080 is an apocalyptic number.

84004408080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84004408080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141170964480).

84004408080 is an abundant number, since it is smaller than the sum of its proper divisors (198337520880).

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

84004408080 is a wasteful number, since it uses less digits than its factorization.

84004408080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93949 (or 93940 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The spelling of 84004408080 in words is "eighty-four billion, four million, four hundred eight thousand, eighty".