80395589 has 2 divisors, whose sum is σ = 80395590. Its totient is φ = 80395588.

The previous prime is 80395559. The next prime is 80395613. The reversal of 80395589 is 98559308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57259489 + 23136100 = 7567^2 + 4810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80395589 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80395519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40197794 + 40197795.

It is an arithmetic number, because the mean of its divisors is an integer number (40197795).

Almost surely, 2^80395589 is an apocalyptic number.

It is an amenable number.

80395589 is a deficient number, since it is larger than the sum of its proper divisors (1).

80395589 is an equidigital number, since it uses as much as digits as its factorization.

80395589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 80395589 is about 8966.3587369679. The cubic root of 80395589 is about 431.5959961097.

The spelling of 80395589 in words is "eighty million, three hundred ninety-five thousand, five hundred eighty-nine".