80008080009 has 32 divisors (see below), whose sum is σ = 127381930368. Its totient is φ = 44025984000.

The previous prime is 80008080007. The next prime is 80008080013. The reversal of 80008080009 is 90008080008.

It is not a de Polignac number, because 80008080009 - 2¹ = 80008080007 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (80008080007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502512 + ... + 1554849.

It is an arithmetic number, because the mean of its divisors is an integer number (3980685324).

Almost surely, 2^80008080009 is an apocalyptic number.

It is an amenable number.

80008080009 is a deficient number, since it is larger than the sum of its proper divisors (47373850359).

80008080009 is a wasteful number, since it uses less digits than its factorization.

80008080009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057449.

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

Subtracting 80008080009 from its reverse (90008080008), we obtain a palindrome (9999999999).

The spelling of 80008080009 in words is "eighty billion, eight million, eighty thousand, nine".