80844823 has 2 divisors, whose sum is σ = 80844824. Its totient is φ = 80844822.

The previous prime is 80844811. The next prime is 80844871. The reversal of 80844823 is 32844808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80844823 - 2¹⁷ = 80713751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80844523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40422411 + 40422412.

It is an arithmetic number, because the mean of its divisors is an integer number (40422412).

Almost surely, 2^80844823 is an apocalyptic number.

80844823 is a deficient number, since it is larger than the sum of its proper divisors (1).

80844823 is an equidigital number, since it uses as much as digits as its factorization.

80844823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 80844823 is about 8991.3749226689. The cubic root of 80844823 is about 432.3983932743.

The spelling of 80844823 in words is "eighty million, eight hundred forty-four thousand, eight hundred twenty-three".