80919353 has 2 divisors, whose sum is σ = 80919354. Its totient is φ = 80919352.

The previous prime is 80919329. The next prime is 80919361. The reversal of 80919353 is 35391908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75550864 + 5368489 = 8692^2 + 2317^2 .

It is a cyclic number.

It is not a de Polignac number, because 80919353 - 2¹⁰ = 80918329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (80919323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40459676 + 40459677.

It is an arithmetic number, because the mean of its divisors is an integer number (40459677).

Almost surely, 2^80919353 is an apocalyptic number.

It is an amenable number.

80919353 is a deficient number, since it is larger than the sum of its proper divisors (1).

80919353 is an equidigital number, since it uses as much as digits as its factorization.

80919353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 80919353 is about 8995.5184953398. The cubic root of 80919353 is about 432.5312269879.

The spelling of 80919353 in words is "eighty million, nine hundred nineteen thousand, three hundred fifty-three".