80771441801 has 2 divisors, whose sum is σ = 80771441802. Its totient is φ = 80771441800.

The previous prime is 80771441797. The next prime is 80771441809. The reversal of 80771441801 is 10814417708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79792690576 + 978751225 = 282476^2 + 31285^2 .

It is a cyclic number.

It is not a de Polignac number, because 80771441801 - 2² = 80771441797 is a prime.

It is a super-2 number, since 2×80771441801² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80771441809) 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, 40385720900 + 40385720901.

It is an arithmetic number, because the mean of its divisors is an integer number (40385720901).

Almost surely, 2^80771441801 is an apocalyptic number.

It is an amenable number.

80771441801 is a deficient number, since it is larger than the sum of its proper divisors (1).

80771441801 is an equidigital number, since it uses as much as digits as its factorization.

80771441801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50176, while the sum is 41.

The spelling of 80771441801 in words is "eighty billion, seven hundred seventy-one million, four hundred forty-one thousand, eight hundred one".