80568077 has 2 divisors, whose sum is σ = 80568078. Its totient is φ = 80568076.

The previous prime is 80568073. The next prime is 80568091. The reversal of 80568077 is 77086508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 28526281 = 7214^2 + 5341^2 .

It is a cyclic number.

It is not a de Polignac number, because 80568077 - 2² = 80568073 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 (80568073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40284038 + 40284039.

It is an arithmetic number, because the mean of its divisors is an integer number (40284039).

Almost surely, 2^80568077 is an apocalyptic number.

It is an amenable number.

80568077 is a deficient number, since it is larger than the sum of its proper divisors (1).

80568077 is an equidigital number, since it uses as much as digits as its factorization.

80568077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 80568077 is about 8975.9722036111. The cubic root of 80568077 is about 431.9044373813.

The spelling of 80568077 in words is "eighty million, five hundred sixty-eight thousand, seventy-seven".