80396873 has 2 divisors, whose sum is σ = 80396874. Its totient is φ = 80396872.

The previous prime is 80396843. The next prime is 80396879. The reversal of 80396873 is 37869308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80335369 + 61504 = 8963^2 + 248^2 .

It is a cyclic number.

It is not a de Polignac number, because 80396873 - 2¹² = 80392777 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 (80396879) 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, 40198436 + 40198437.

It is an arithmetic number, because the mean of its divisors is an integer number (40198437).

Almost surely, 2^80396873 is an apocalyptic number.

It is an amenable number.

80396873 is a deficient number, since it is larger than the sum of its proper divisors (1).

80396873 is an equidigital number, since it uses as much as digits as its factorization.

80396873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 80396873 is about 8966.4303376539. The cubic root of 80396873 is about 431.5982937744.

The spelling of 80396873 in words is "eighty million, three hundred ninety-six thousand, eight hundred seventy-three".