80068817 has 2 divisors, whose sum is σ = 80068818. Its totient is φ = 80068816.

The previous prime is 80068799. The next prime is 80068837. The reversal of 80068817 is 71886008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54626881 + 25441936 = 7391^2 + 5044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80068817 is a prime.

It is a super-2 number, since 2×80068817² = 12822030911558978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80068837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40034408 + 40034409.

It is an arithmetic number, because the mean of its divisors is an integer number (40034409).

Almost surely, 2^80068817 is an apocalyptic number.

It is an amenable number.

80068817 is a deficient number, since it is larger than the sum of its proper divisors (1).

80068817 is an equidigital number, since it uses as much as digits as its factorization.

80068817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 80068817 is about 8948.1180702984. The cubic root of 80068817 is about 431.0104540399.

The spelling of 80068817 in words is "eighty million, sixty-eight thousand, eight hundred seventeen".