80206028800 has 84 divisors (see below), whose sum is σ = 198899318736. Its totient is φ = 32082329600.

The previous prime is 80206028761. The next prime is 80206028867. The reversal of 80206028800 is 882060208.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8985 + ... + 400615.

Almost surely, 2^80206028800 is an apocalyptic number.

80206028800 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 80206028800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99449659368).

80206028800 is an abundant number, since it is smaller than the sum of its proper divisors (118693289936).

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

80206028800 is an equidigital number, since it uses as much as digits as its factorization.

80206028800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391667 (or 391638 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The spelling of 80206028800 in words is "eighty billion, two hundred six million, twenty-eight thousand, eight hundred".