805063343638487 has 2 divisors, whose sum is σ = 805063343638488. Its totient is φ = 805063343638486.

The previous prime is 805063343638283. The next prime is 805063343638493. The reversal of 805063343638487 is 784836343360508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 805063343638487 - 2⁸ = 805063343638231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805063343635487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402531671819243 + 402531671819244.

It is an arithmetic number, because the mean of its divisors is an integer number (402531671819244).

Almost surely, 2^{805063343638487} is an apocalyptic number.

805063343638487 is a deficient number, since it is larger than the sum of its proper divisors (1).

805063343638487 is an equidigital number, since it uses as much as digits as its factorization.

805063343638487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 836075520, while the sum is 68.

The spelling of 805063343638487 in words is "eight hundred five trillion, sixty-three billion, three hundred forty-three million, six hundred thirty-eight thousand, four hundred eighty-seven".