80505887094233 has 2 divisors, whose sum is σ = 80505887094234. Its totient is φ = 80505887094232.

The previous prime is 80505887094209. The next prime is 80505887094263. The reversal of 80505887094233 is 33249078850508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64144929956809 + 16360957137424 = 8009053^2 + 4044868^2 .

It is a cyclic number.

It is not a de Polignac number, because 80505887094233 - 2⁸ = 80505887093977 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 (80505887094263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40252943547116 + 40252943547117.

It is an arithmetic number, because the mean of its divisors is an integer number (40252943547117).

Almost surely, 2^{80505887094233} is an apocalyptic number.

It is an amenable number.

80505887094233 is a deficient number, since it is larger than the sum of its proper divisors (1).

80505887094233 is an equidigital number, since it uses as much as digits as its factorization.

80505887094233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 80505887094233 in words is "eighty trillion, five hundred five billion, eight hundred eighty-seven million, ninety-four thousand, two hundred thirty-three".