80578229 has 2 divisors, whose sum is σ = 80578230. Its totient is φ = 80578228.

The previous prime is 80578219. The next prime is 80578271. The reversal of 80578229 is 92287508.

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., 70980625 + 9597604 = 8425^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 80578229 - 2⁴ = 80578213 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 (80578219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40289114 + 40289115.

It is an arithmetic number, because the mean of its divisors is an integer number (40289115).

Almost surely, 2^80578229 is an apocalyptic number.

It is an amenable number.

80578229 is a deficient number, since it is larger than the sum of its proper divisors (1).

80578229 is an equidigital number, since it uses as much as digits as its factorization.

80578229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 80578229 is about 8976.5376955706. The cubic root of 80578229 is about 431.9225773604.

The spelling of 80578229 in words is "eighty million, five hundred seventy-eight thousand, two hundred twenty-nine".