80844480481 has 2 divisors, whose sum is σ = 80844480482. Its totient is φ = 80844480480.

The previous prime is 80844480473. The next prime is 80844480487. The reversal of 80844480481 is 18408444808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63451091025 + 17393389456 = 251895^2 + 131884^2 .

It is a cyclic number.

It is not a de Polignac number, because 80844480481 - 2³ = 80844480473 is a prime.

It is a super-2 number, since 2×80844480481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80844480487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40422240240 + 40422240241.

It is an arithmetic number, because the mean of its divisors is an integer number (40422240241).

Almost surely, 2^80844480481 is an apocalyptic number.

It is an amenable number.

80844480481 is a deficient number, since it is larger than the sum of its proper divisors (1).

80844480481 is an equidigital number, since it uses as much as digits as its factorization.

80844480481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1048576, while the sum is 49.

The spelling of 80844480481 in words is "eighty billion, eight hundred forty-four million, four hundred eighty thousand, four hundred eighty-one".