80760709 has 2 divisors, whose sum is σ = 80760710. Its totient is φ = 80760708.

The previous prime is 80760653. The next prime is 80760733. The reversal of 80760709 is 90706708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53949025 + 26811684 = 7345^2 + 5178^2 .

It is a cyclic number.

It is not a de Polignac number, because 80760709 - 2¹⁹ = 80236421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80760739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40380354 + 40380355.

It is an arithmetic number, because the mean of its divisors is an integer number (40380355).

Almost surely, 2^80760709 is an apocalyptic number.

It is an amenable number.

80760709 is a deficient number, since it is larger than the sum of its proper divisors (1).

80760709 is an equidigital number, since it uses as much as digits as its factorization.

80760709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 80760709 is about 8986.6962227506. The cubic root of 80760709 is about 432.2483800422.

It can be divided in two parts, 807 and 60709, that added together give a palindrome (61516).

The spelling of 80760709 in words is "eighty million, seven hundred sixty thousand, seven hundred nine".