80818206 has 16 divisors (see below), whose sum is σ = 184727424. Its totient is φ = 23090904.

The previous prime is 80818193. The next prime is 80818207. The reversal of 80818206 is 60281808.

80818206 is nontrivially palindromic in base 13.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80818207) 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 7 ways as a sum of consecutive naturals, for example, 962080 + ... + 962163.

It is an arithmetic number, because the mean of its divisors is an integer number (11545464).

Almost surely, 2^80818206 is an apocalyptic number.

80818206 is an abundant number, since it is smaller than the sum of its proper divisors (103909218).

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

80818206 is a wasteful number, since it uses less digits than its factorization.

80818206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924255.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 80818206 is about 8989.8946601170. The cubic root of 80818206 is about 432.3509344064.

The spelling of 80818206 in words is "eighty million, eight hundred eighteen thousand, two hundred six".