80818326 has 24 divisors (see below), whose sum is σ = 175681584. Its totient is φ = 26850960.

The previous prime is 80818313. The next prime is 80818327. The reversal of 80818326 is 62381808.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80818327) 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 11 ways as a sum of consecutive naturals, for example, 1621 + ... + 12816.

It is an arithmetic number, because the mean of its divisors is an integer number (7320066).

Almost surely, 2^80818326 is an apocalyptic number.

80818326 is an abundant number, since it is smaller than the sum of its proper divisors (94863258).

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

80818326 is a wasteful number, since it uses less digits than its factorization.

80818326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14756 (or 14753 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 80818326 is about 8989.9013342750. The cubic root of 80818326 is about 432.3511483932.

The spelling of 80818326 in words is "eighty million, eight hundred eighteen thousand, three hundred twenty-six".