100843869852 has 180 divisors, whose sum is σ = 288034317480. Its totient is φ = 29727086400.

The previous prime is 100843869827. The next prime is 100843869853. The reversal of 100843869852 is 258968348001.

100843869852 is a `hidden beast` number, since 100 + 84 + 386 + 9 + 85 + 2 = 666.

100843869852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×100843869852² (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 (100843869853) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19499227 + ... + 19504397.

Almost surely, 2^100843869852 is an apocalyptic number.

100843869852 is a gapful number since it is divisible by the number (12) 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 100843869852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144017158740).

100843869852 is an abundant number, since it is smaller than the sum of its proper divisors (187190447628).

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

100843869852 is a wasteful number, since it uses less digits than its factorization.

100843869852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262 (or 5224 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 100843869852 in words is "one hundred billion, eight hundred forty-three million, eight hundred sixty-nine thousand, eight hundred fifty-two".