80844353 has 2 divisors, whose sum is σ = 80844354. Its totient is φ = 80844352.

The previous prime is 80844341. The next prime is 80844377. The reversal of 80844353 is 35344808.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62457409 + 18386944 = 7903^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 80844353 - 2⁶ = 80844289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80844053) 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 as a sum of consecutive naturals, namely, 40422176 + 40422177.

It is an arithmetic number, because the mean of its divisors is an integer number (40422177).

Almost surely, 2^80844353 is an apocalyptic number.

It is an amenable number.

80844353 is a deficient number, since it is larger than the sum of its proper divisors (1).

80844353 is an equidigital number, since it uses as much as digits as its factorization.

80844353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 80844353 is about 8991.3487864725. The cubic root of 80844353 is about 432.3975553413.

The spelling of 80844353 in words is "eighty million, eight hundred forty-four thousand, three hundred fifty-three".