80711479129 has 2 divisors, whose sum is σ = 80711479130. Its totient is φ = 80711479128.

The previous prime is 80711479081. The next prime is 80711479171. The reversal of 80711479129 is 92197411708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51042105625 + 29669373504 = 225925^2 + 172248^2 .

It is a cyclic number.

It is not a de Polignac number, because 80711479129 - 2²³ = 80703090521 is a prime.

It is not a weakly prime, because it can be changed into another prime (80711479729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40355739564 + 40355739565.

It is an arithmetic number, because the mean of its divisors is an integer number (40355739565).

Almost surely, 2^80711479129 is an apocalyptic number.

It is an amenable number.

80711479129 is a deficient number, since it is larger than the sum of its proper divisors (1).

80711479129 is an equidigital number, since it uses as much as digits as its factorization.

80711479129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 80711479129 in words is "eighty billion, seven hundred eleven million, four hundred seventy-nine thousand, one hundred twenty-nine".