80117269 has 2 divisors, whose sum is σ = 80117270. Its totient is φ = 80117268.

The previous prime is 80117267. The next prime is 80117287. The reversal of 80117269 is 96271108.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69522244 + 10595025 = 8338^2 + 3255^2 .

It is a cyclic number.

It is not a de Polignac number, because 80117269 - 2¹ = 80117267 is a prime.

It is a super-2 number, since 2×80117269² = 12837553584036722, which contains 22 as substring.

Together with 80117267, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80117263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40058634 + 40058635.

It is an arithmetic number, because the mean of its divisors is an integer number (40058635).

Almost surely, 2^80117269 is an apocalyptic number.

It is an amenable number.

80117269 is a deficient number, since it is larger than the sum of its proper divisors (1).

80117269 is an equidigital number, since it uses as much as digits as its factorization.

80117269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 80117269 is about 8950.8250457709. The cubic root of 80117269 is about 431.0973755504.

The spelling of 80117269 in words is "eighty million, one hundred seventeen thousand, two hundred sixty-nine".