80398800 has 180 divisors, whose sum is σ = 291436704. Its totient is φ = 20486400.

The previous prime is 80398789. The next prime is 80398819. The reversal of 80398800 is 889308.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82315 + ... + 83285.

Almost surely, 2^80398800 is an apocalyptic number.

80398800 is a gapful number since it is divisible by the number (80) 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 80398800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145718352).

80398800 is an abundant number, since it is smaller than the sum of its proper divisors (211037904).

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

80398800 is a wasteful number, since it uses less digits than its factorization.

80398800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 80398800 is about 8966.5377933738. The cubic root of 80398800 is about 431.6017420149.

The spelling of 80398800 in words is "eighty million, three hundred ninety-eight thousand, eight hundred".