800099916 has 144 divisors (see below), whose sum is σ = 2362386432. Its totient is φ = 206300160.

The previous prime is 800099897. The next prime is 800099921. The reversal of 800099916 is 619990008.

800099916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2266396 + ... + 2266748.

Almost surely, 2^800099916 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 800099916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1181193216).

800099916 is an abundant number, since it is smaller than the sum of its proper divisors (1562286516).

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

800099916 is a wasteful number, since it uses less digits than its factorization.

800099916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 800099916 is about 28286.0374743441. The cubic root of 800099916 is about 928.3564125295.

The spelling of 800099916 in words is "eight hundred million, ninety-nine thousand, nine hundred sixteen".