80640236603 has 2 divisors, whose sum is σ = 80640236604. Its totient is φ = 80640236602.

The previous prime is 80640236587. The next prime is 80640236623. The reversal of 80640236603 is 30663204608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80640236603 - 2⁴ = 80640236587 is a prime.

It is not a weakly prime, because it can be changed into another prime (80640236623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40320118301 + 40320118302.

It is an arithmetic number, because the mean of its divisors is an integer number (40320118302).

Almost surely, 2^80640236603 is an apocalyptic number.

80640236603 is a deficient number, since it is larger than the sum of its proper divisors (1).

80640236603 is an equidigital number, since it uses as much as digits as its factorization.

80640236603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 80640236603 in words is "eighty billion, six hundred forty million, two hundred thirty-six thousand, six hundred three".