80843012 has 6 divisors (see below), whose sum is σ = 141475278. Its totient is φ = 40421504.

The previous prime is 80842987. The next prime is 80843017. The reversal of 80843012 is 21034808.

It can be written as a sum of positive squares in only one way, i.e., 62473216 + 18369796 = 7904^2 + 4286^2 .

It is not an unprimeable number, because it can be changed into a prime (80843017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105373 + ... + 10105380.

It is an arithmetic number, because the mean of its divisors is an integer number (23579213).

Almost surely, 2^80843012 is an apocalyptic number.

It is an amenable number.

80843012 is a deficient number, since it is larger than the sum of its proper divisors (60632266).

80843012 is a wasteful number, since it uses less digits than its factorization.

80843012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20210757 (or 20210755 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 80843012 is about 8991.2742144815. The cubic root of 80843012 is about 432.3951645401.

The spelling of 80843012 in words is "eighty million, eight hundred forty-three thousand, twelve".