80307089 has 2 divisors, whose sum is σ = 80307090. Its totient is φ = 80307088.

The previous prime is 80307077. The next prime is 80307109. The reversal of 80307089 is 98070308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59985025 + 20322064 = 7745^2 + 4508^2 .

It is a cyclic number.

It is not a de Polignac number, because 80307089 - 2²⁰ = 79258513 is a prime.

It is a Chen prime.

It is equal to p_4686281 and since 80307089 and 4686281 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (80307289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40153544 + 40153545.

It is an arithmetic number, because the mean of its divisors is an integer number (40153545).

Almost surely, 2^80307089 is an apocalyptic number.

It is an amenable number.

80307089 is a deficient number, since it is larger than the sum of its proper divisors (1).

80307089 is an equidigital number, since it uses as much as digits as its factorization.

80307089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 80307089 is about 8961.4222643507. The cubic root of 80307089 is about 431.4375700473.

The spelling of 80307089 in words is "eighty million, three hundred seven thousand, eighty-nine".