80938433 has 2 divisors, whose sum is σ = 80938434. Its totient is φ = 80938432.

The previous prime is 80938393. The next prime is 80938441. The reversal of 80938433 is 33483908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80856064 + 82369 = 8992^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 80938433 - 2⁸ = 80938177 is a prime.

It is not a weakly prime, because it can be changed into another prime (80938453) 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, 40469216 + 40469217.

It is an arithmetic number, because the mean of its divisors is an integer number (40469217).

Almost surely, 2^80938433 is an apocalyptic number.

It is an amenable number.

80938433 is a deficient number, since it is larger than the sum of its proper divisors (1).

80938433 is an equidigital number, since it uses as much as digits as its factorization.

80938433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 80938433 is about 8996.5789609162. The cubic root of 80938433 is about 432.5652198748.

The spelling of 80938433 in words is "eighty million, nine hundred thirty-eight thousand, four hundred thirty-three".