84213043700 has 72 divisors (see below), whose sum is σ = 188511205344. Its totient is φ = 32638320000.

The previous prime is 84213043699. The next prime is 84213043723. The reversal of 84213043700 is 734031248.

It is a congruent number.

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, 305675 + ... + 511725.

Almost surely, 2^84213043700 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 84213043700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94255602672).

84213043700 is an abundant number, since it is smaller than the sum of its proper divisors (104298161644).

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

84213043700 is a wasteful number, since it uses less digits than its factorization.

84213043700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206193 (or 206186 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 84213043700 its reverse (734031248), we get a palindrome (84947074948).

The spelling of 84213043700 in words is "eighty-four billion, two hundred thirteen million, forty-three thousand, seven hundred".