80199000 has 384 divisors, whose sum is σ = 330969600. Its totient is φ = 17107200.

The previous prime is 80198977. The next prime is 80199011. The reversal of 80199000 is 99108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1196967 + ... + 1197033.

It is an arithmetic number, because the mean of its divisors is an integer number (861900).

Almost surely, 2^80199000 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 80199000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165484800).

80199000 is an abundant number, since it is smaller than the sum of its proper divisors (250770600).

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

80199000 is a wasteful number, since it uses less digits than its factorization.

80199000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 80199000 is about 8955.3894387681. The cubic root of 80199000 is about 431.2439192589.

The spelling of 80199000 in words is "eighty million, one hundred ninety-nine thousand".