80008206565 has 16 divisors (see below), whose sum is σ = 109743000192. Its totient is φ = 54854040384.

The previous prime is 80008206533. The next prime is 80008206589. The reversal of 80008206565 is 56560280008.

It is a cyclic number.

It is not a de Polignac number, because 80008206565 - 2⁵ = 80008206533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45222 + ... + 402568.

It is an arithmetic number, because the mean of its divisors is an integer number (6858937512).

Almost surely, 2^80008206565 is an apocalyptic number.

It is an amenable number.

80008206565 is a deficient number, since it is larger than the sum of its proper divisors (29734793627).

80008206565 is a wasteful number, since it uses less digits than its factorization.

80008206565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363756.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 80008206565 in words is "eighty billion, eight million, two hundred six thousand, five hundred sixty-five".