80818214543783 has 2 divisors, whose sum is σ = 80818214543784. Its totient is φ = 80818214543782.

The previous prime is 80818214543777. The next prime is 80818214543821. The reversal of 80818214543783 is 38734541281808.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80818214543783 - 2⁴⁰ = 79718702916007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80818214543753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40409107271891 + 40409107271892.

It is an arithmetic number, because the mean of its divisors is an integer number (40409107271892).

Almost surely, 2^{80818214543783} is an apocalyptic number.

80818214543783 is a deficient number, since it is larger than the sum of its proper divisors (1).

80818214543783 is an equidigital number, since it uses as much as digits as its factorization.

80818214543783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41287680, while the sum is 62.

The spelling of 80818214543783 in words is "eighty trillion, eight hundred eighteen billion, two hundred fourteen million, five hundred forty-three thousand, seven hundred eighty-three".