100799188 has 48 divisors (see below), whose sum is σ = 214389504. Its totient is φ = 40481280.

The previous prime is 100799183. The next prime is 100799191. The reversal of 100799188 is 881997001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100799183) 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, 200145 + ... + 200647.

It is an arithmetic number, because the mean of its divisors is an integer number (4466448).

Almost surely, 2^100799188 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 100799188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107194752).

100799188 is an abundant number, since it is smaller than the sum of its proper divisors (113590316).

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

100799188 is a wasteful number, since it uses less digits than its factorization.

100799188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 43.

The square root of 100799188 is about 10039.8798797595. The cubic root of 100799188 is about 465.3921046194.

The spelling of 100799188 in words is "one hundred million, seven hundred ninety-nine thousand, one hundred eighty-eight".