80012800 has 240 divisors, whose sum is σ = 243555840. Its totient is φ = 25436160.

The previous prime is 80012797. The next prime is 80012813. The reversal of 80012800 is 821008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1702377 + ... + 1702423.

It is an arithmetic number, because the mean of its divisors is an integer number (1014816).

Almost surely, 2^80012800 is an apocalyptic number.

80012800 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 80012800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121777920).

80012800 is an abundant number, since it is smaller than the sum of its proper divisors (163543040).

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

80012800 is a wasteful number, since it uses less digits than its factorization.

80012800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 80012800 is about 8944.9874231326. The cubic root of 80012800 is about 430.9099174175.

Adding to 80012800 its reverse (821008), we get a palindrome (80833808).

It can be divided in two parts, 8001 and 2800, that added together give a palindrome (10801).

The spelling of 80012800 in words is "eighty million, twelve thousand, eight hundred".