80628349 has 2 divisors, whose sum is σ = 80628350. Its totient is φ = 80628348.

The previous prime is 80628341. The next prime is 80628367. The reversal of 80628349 is 94382608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70862724 + 9765625 = 8418^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 80628349 - 2³ = 80628341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80628341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40314174 + 40314175.

It is an arithmetic number, because the mean of its divisors is an integer number (40314175).

Almost surely, 2^80628349 is an apocalyptic number.

It is an amenable number.

80628349 is a deficient number, since it is larger than the sum of its proper divisors (1).

80628349 is an equidigital number, since it uses as much as digits as its factorization.

80628349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 80628349 is about 8979.3289838384. The cubic root of 80628349 is about 432.0121113574.

The spelling of 80628349 in words is "eighty million, six hundred twenty-eight thousand, three hundred forty-nine".