84339800512 has 112 divisors (see below), whose sum is σ = 195490856160. Its totient is φ = 35675340800.

The previous prime is 84339800497. The next prime is 84339800513. The reversal of 84339800512 is 21500893348.

It is a super-2 number, since 2×84339800512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84339800513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025562 + ... + 1104742.

Almost surely, 2^84339800512 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 84339800512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97745428080).

84339800512 is an abundant number, since it is smaller than the sum of its proper divisors (111151055648).

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

84339800512 is a wasteful number, since it uses less digits than its factorization.

84339800512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79310 (or 79300 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 84339800512 in words is "eighty-four billion, three hundred thirty-nine million, eight hundred thousand, five hundred twelve".