84068044830 has 768 divisors, whose sum is σ = 294468894720. Its totient is φ = 16693205760.

The previous prime is 84068044829. The next prime is 84068044849. The reversal of 84068044830 is 3844086048.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 816194559 + ... + 816194661.

It is an arithmetic number, because the mean of its divisors is an integer number (383423040).

Almost surely, 2^84068044830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84068044830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147234447360).

84068044830 is an abundant number, since it is smaller than the sum of its proper divisors (210400849890).

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

84068044830 is a wasteful number, since it uses less digits than its factorization.

84068044830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 84068044830 in words is "eighty-four billion, sixty-eight million, forty-four thousand, eight hundred thirty".