80595817 has 2 divisors, whose sum is σ = 80595818. Its totient is φ = 80595816.

The previous prime is 80595811. The next prime is 80595821. The reversal of 80595817 is 71859508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60668521 + 19927296 = 7789^2 + 4464^2 .

It is a cyclic number.

It is not a de Polignac number, because 80595817 - 2⁷ = 80595689 is a prime.

It is not a weakly prime, because it can be changed into another prime (80595811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40297908 + 40297909.

It is an arithmetic number, because the mean of its divisors is an integer number (40297909).

Almost surely, 2^80595817 is an apocalyptic number.

It is an amenable number.

80595817 is a deficient number, since it is larger than the sum of its proper divisors (1).

80595817 is an equidigital number, since it uses as much as digits as its factorization.

80595817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 80595817 is about 8977.5173071401. The cubic root of 80595817 is about 431.9540006606.

The spelling of 80595817 in words is "eighty million, five hundred ninety-five thousand, eight hundred seventeen".