80801971 has 2 divisors, whose sum is σ = 80801972. Its totient is φ = 80801970.

The previous prime is 80801953. The next prime is 80801989. The reversal of 80801971 is 17910808.

It is a balanced prime because it is at equal distance from previous prime (80801953) and next prime (80801989).

It is a cyclic number.

It is not a de Polignac number, because 80801971 - 2¹⁵ = 80769203 is a prime.

It is not a weakly prime, because it can be changed into another prime (80801671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40400985 + 40400986.

It is an arithmetic number, because the mean of its divisors is an integer number (40400986).

Almost surely, 2^80801971 is an apocalyptic number.

80801971 is a deficient number, since it is larger than the sum of its proper divisors (1).

80801971 is an equidigital number, since it uses as much as digits as its factorization.

80801971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 80801971 is about 8988.9916564651. The cubic root of 80801971 is about 432.3219818232.

The spelling of 80801971 in words is "eighty million, eight hundred one thousand, nine hundred seventy-one".