80066029 has 2 divisors, whose sum is σ = 80066030. Its totient is φ = 80066028.

The previous prime is 80066027. The next prime is 80066081. The reversal of 80066029 is 92066008.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54361129 + 25704900 = 7373^2 + 5070^2 .

It is a cyclic number.

It is not a de Polignac number, because 80066029 - 2¹ = 80066027 is a prime.

Together with 80066027, 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 (80066027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40033014 + 40033015.

It is an arithmetic number, because the mean of its divisors is an integer number (40033015).

Almost surely, 2^80066029 is an apocalyptic number.

It is an amenable number.

80066029 is a deficient number, since it is larger than the sum of its proper divisors (1).

80066029 is an equidigital number, since it uses as much as digits as its factorization.

80066029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 80066029 is about 8947.9622819947. The cubic root of 80066029 is about 431.0054513803.

The spelling of 80066029 in words is "eighty million, sixty-six thousand, twenty-nine".