80089812 has 72 divisors (see below), whose sum is σ = 221981760. Its totient is φ = 24145920.

The previous prime is 80089811. The next prime is 80089817. The reversal of 80089812 is 21898008.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80089811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103764 + ... + 104532.

It is an arithmetic number, because the mean of its divisors is an integer number (3083080).

Almost surely, 2^80089812 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 80089812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110990880).

80089812 is an abundant number, since it is smaller than the sum of its proper divisors (141891948).

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

80089812 is a wasteful number, since it uses less digits than its factorization.

80089812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 80089812 is about 8949.2911451131. The cubic root of 80089812 is about 431.0481227770.

The spelling of 80089812 in words is "eighty million, eighty-nine thousand, eight hundred twelve".