80976324497 has 2 divisors, whose sum is σ = 80976324498. Its totient is φ = 80976324496.

The previous prime is 80976324449. The next prime is 80976324551. The reversal of 80976324497 is 79442367908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58127281216 + 22849043281 = 241096^2 + 151159^2 .

It is a cyclic number.

It is not a de Polignac number, because 80976324497 - 2³⁶ = 12256847761 is a prime.

It is not a weakly prime, because it can be changed into another prime (80976324437) 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, 40488162248 + 40488162249.

It is an arithmetic number, because the mean of its divisors is an integer number (40488162249).

Almost surely, 2^80976324497 is an apocalyptic number.

It is an amenable number.

80976324497 is a deficient number, since it is larger than the sum of its proper divisors (1).

80976324497 is an equidigital number, since it uses as much as digits as its factorization.

80976324497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 80976324497 in words is "eighty billion, nine hundred seventy-six million, three hundred twenty-four thousand, four hundred ninety-seven".