80000805 has 8 divisors (see below), whose sum is σ = 128001312. Its totient is φ = 42667088.

The previous prime is 80000803. The next prime is 80000807. The reversal of 80000805 is 50800008.

It is an interprime number because it is at equal distance from previous prime (80000803) and next prime (80000807).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80000805 - 2¹ = 80000803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80000803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666679 + ... + 2666708.

It is an arithmetic number, because the mean of its divisors is an integer number (16000164).

Almost surely, 2^80000805 is an apocalyptic number.

It is an amenable number.

80000805 is a deficient number, since it is larger than the sum of its proper divisors (48000507).

80000805 is a wasteful number, since it uses less digits than its factorization.

80000805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333395.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 80000805 is about 8944.3169107540. The cubic root of 80000805 is about 430.8883832681. Note that the first 3 decimals are identical.

The spelling of 80000805 in words is "eighty million, eight hundred five", and thus it is an aban number.