80804040807 has 64 divisors (see below), whose sum is σ = 137337984000. Its totient is φ = 41139394560.

The previous prime is 80804040803. The next prime is 80804040859. The reversal of 80804040807 is 70804040808.

It is not a de Polignac number, because 80804040807 - 2² = 80804040803 is a prime.

It is a super-2 number, since 2×80804040807² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80804040803) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 10991569 + ... + 10998917.

It is an arithmetic number, because the mean of its divisors is an integer number (2145906000).

Almost surely, 2^80804040807 is an apocalyptic number.

80804040807 is a deficient number, since it is larger than the sum of its proper divisors (56533943193).

80804040807 is a wasteful number, since it uses less digits than its factorization.

80804040807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016.

The product of its (nonzero) digits is 57344, while the sum is 39.

Subtracting from 80804040807 its reverse (70804040808), we obtain a palindrome (9999999999).

The spelling of 80804040807 in words is "eighty billion, eight hundred four million, forty thousand, eight hundred seven".