80801340827 has 2 divisors, whose sum is σ = 80801340828. Its totient is φ = 80801340826.

The previous prime is 80801340797. The next prime is 80801340863. The reversal of 80801340827 is 72804310808.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80801340827 is a prime.

It is not a weakly prime, because it can be changed into another prime (80801340887) 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, 40400670413 + 40400670414.

It is an arithmetic number, because the mean of its divisors is an integer number (40400670414).

Almost surely, 2^80801340827 is an apocalyptic number.

80801340827 is a deficient number, since it is larger than the sum of its proper divisors (1).

80801340827 is an equidigital number, since it uses as much as digits as its factorization.

80801340827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 80801340827 in words is "eighty billion, eight hundred one million, three hundred forty thousand, eight hundred twenty-seven".