80890061129 has 2 divisors, whose sum is σ = 80890061130. Its totient is φ = 80890061128.

The previous prime is 80890061101. The next prime is 80890061167. The reversal of 80890061129 is 92116009808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61603240000 + 19286821129 = 248200^2 + 138877^2 .

It is a cyclic number.

It is not a de Polignac number, because 80890061129 - 2⁸ = 80890060873 is a prime.

It is a super-3 number, since 3×80890061129³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80890061129.

It is not a weakly prime, because it can be changed into another prime (80890061029) 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, 40445030564 + 40445030565.

It is an arithmetic number, because the mean of its divisors is an integer number (40445030565).

Almost surely, 2^80890061129 is an apocalyptic number.

It is an amenable number.

80890061129 is a deficient number, since it is larger than the sum of its proper divisors (1).

80890061129 is an equidigital number, since it uses as much as digits as its factorization.

80890061129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 44.

The spelling of 80890061129 in words is "eighty billion, eight hundred ninety million, sixty-one thousand, one hundred twenty-nine".