80449481587 has 2 divisors, whose sum is σ = 80449481588. Its totient is φ = 80449481586.

The previous prime is 80449481573. The next prime is 80449481669. The reversal of 80449481587 is 78518494408.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80449481587 - 2¹⁵ = 80449448819 is a prime.

It is not a weakly prime, because it can be changed into another prime (80479481587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40224740793 + 40224740794.

It is an arithmetic number, because the mean of its divisors is an integer number (40224740794).

Almost surely, 2^80449481587 is an apocalyptic number.

80449481587 is a deficient number, since it is larger than the sum of its proper divisors (1).

80449481587 is an equidigital number, since it uses as much as digits as its factorization.

80449481587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 80449481587 in words is "eighty billion, four hundred forty-nine million, four hundred eighty-one thousand, five hundred eighty-seven".