80008000809 has 16 divisors (see below), whose sum is σ = 122500289280. Its totient is φ = 45937607760.

The previous prime is 80008000801. The next prime is 80008000823. The reversal of 80008000809 is 90800080008.

It is not a de Polignac number, because 80008000809 - 2³ = 80008000801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80008000809.

It is not an unprimeable number, because it can be changed into a prime (80008000801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63801607 + ... + 63802860.

It is an arithmetic number, because the mean of its divisors is an integer number (7656268080).

Almost surely, 2^80008000809 is an apocalyptic number.

It is an amenable number.

80008000809 is a deficient number, since it is larger than the sum of its proper divisors (42492288471).

80008000809 is a wasteful number, since it uses less digits than its factorization.

80008000809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127604500.

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 80008000809 in words is "eighty billion, eight million, eight hundred nine", and thus it is an aban number.