80281077757 has 2 divisors, whose sum is σ = 80281077758. Its totient is φ = 80281077756.

The previous prime is 80281077703. The next prime is 80281077781. The reversal of 80281077757 is 75777018208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75874906116 + 4406171641 = 275454^2 + 66379^2 .

It is a cyclic number.

It is not a de Polignac number, because 80281077757 - 2²³ = 80272689149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80281077257) 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, 40140538878 + 40140538879.

It is an arithmetic number, because the mean of its divisors is an integer number (40140538879).

Almost surely, 2^80281077757 is an apocalyptic number.

It is an amenable number.

80281077757 is a deficient number, since it is larger than the sum of its proper divisors (1).

80281077757 is an equidigital number, since it uses as much as digits as its factorization.

80281077757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536640, while the sum is 52.

The spelling of 80281077757 in words is "eighty billion, two hundred eighty-one million, seventy-seven thousand, seven hundred fifty-seven".