80117029 has 2 divisors, whose sum is σ = 80117030. Its totient is φ = 80117028.

The previous prime is 80116997. The next prime is 80117033. The reversal of 80117029 is 92071108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79121025 + 996004 = 8895^2 + 998^2 .

It is a cyclic number.

It is not a de Polignac number, because 80117029 - 2⁵ = 80116997 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80116988 and 80117006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80117069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40058514 + 40058515.

It is an arithmetic number, because the mean of its divisors is an integer number (40058515).

Almost surely, 2^80117029 is an apocalyptic number.

It is an amenable number.

80117029 is a deficient number, since it is larger than the sum of its proper divisors (1).

80117029 is an equidigital number, since it uses as much as digits as its factorization.

80117029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 80117029 is about 8950.8116391755. The cubic root of 80117029 is about 431.0969450836.

The spelling of 80117029 in words is "eighty million, one hundred seventeen thousand, twenty-nine".