80755440267457 has 2 divisors, whose sum is σ = 80755440267458. Its totient is φ = 80755440267456.

The previous prime is 80755440267367. The next prime is 80755440267503. The reversal of 80755440267457 is 75476204455708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51534939718656 + 29220500548801 = 7178784^2 + 5405599^2 .

It is a cyclic number.

It is not a de Polignac number, because 80755440267457 - 2³⁹ = 80205684453569 is a prime.

It is a super-2 number, since 2×80755440267457² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80755440267857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40377720133728 + 40377720133729.

It is an arithmetic number, because the mean of its divisors is an integer number (40377720133729).

Almost surely, 2^{80755440267457} is an apocalyptic number.

It is an amenable number.

80755440267457 is a deficient number, since it is larger than the sum of its proper divisors (1).

80755440267457 is an equidigital number, since it uses as much as digits as its factorization.

80755440267457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424000, while the sum is 64.

The spelling of 80755440267457 in words is "eighty trillion, seven hundred fifty-five billion, four hundred forty million, two hundred sixty-seven thousand, four hundred fifty-seven".