84817861024 has 96 divisors (see below), whose sum is σ = 188542698624. Its totient is φ = 37266324480.

The previous prime is 84817861003. The next prime is 84817861043. The reversal of 84817861024 is 42016871848.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1997842 + ... + 2039854.

It is an arithmetic number, because the mean of its divisors is an integer number (1963986444).

Almost surely, 2^84817861024 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 84817861024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94271349312).

84817861024 is an abundant number, since it is smaller than the sum of its proper divisors (103724837600).

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

84817861024 is a wasteful number, since it uses less digits than its factorization.

84817861024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42270 (or 42262 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 84817861024 in words is "eighty-four billion, eight hundred seventeen million, eight hundred sixty-one thousand, twenty-four".