80006805 has 16 divisors (see below), whose sum is σ = 142234560. Its totient is φ = 42670224.

The previous prime is 80006803. The next prime is 80006813. The reversal of 80006805 is 50860008.

It is not a de Polignac number, because 80006805 - 2¹ = 80006803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80006803) 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 15 ways as a sum of consecutive naturals, for example, 296187 + ... + 296456.

It is an arithmetic number, because the mean of its divisors is an integer number (8889660).

Almost surely, 2^80006805 is an apocalyptic number.

It is an amenable number.

80006805 is a deficient number, since it is larger than the sum of its proper divisors (62227755).

80006805 is a wasteful number, since it uses less digits than its factorization.

80006805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592657 (or 592651 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 80006805 is about 8944.6523129745. The cubic root of 80006805 is about 430.8991551000.

The spelling of 80006805 in words is "eighty million, six thousand, eight hundred five".