80765141 has 2 divisors, whose sum is σ = 80765142. Its totient is φ = 80765140.

The previous prime is 80765131. The next prime is 80765171. The reversal of 80765141 is 14156708.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71487025 + 9278116 = 8455^2 + 3046^2 .

It is a cyclic number.

It is not a de Polignac number, because 80765141 - 2¹⁸ = 80502997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80765098 and 80765107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80765101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40382570 + 40382571.

It is an arithmetic number, because the mean of its divisors is an integer number (40382571).

Almost surely, 2^80765141 is an apocalyptic number.

It is an amenable number.

80765141 is a deficient number, since it is larger than the sum of its proper divisors (1).

80765141 is an equidigital number, since it uses as much as digits as its factorization.

80765141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80765141 is about 8986.9428060937. The cubic root of 80765141 is about 432.2562868978.

The spelling of 80765141 in words is "eighty million, seven hundred sixty-five thousand, one hundred forty-one".