80499308177 has 16 divisors (see below), whose sum is σ = 84468256080. Its totient is φ = 76611225600.

The previous prime is 80499308159. The next prime is 80499308203. The reversal of 80499308177 is 77180399408.

It is a Cunningham number, because it is equal to 283724²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 34804260481 + 45695047696 = 186559^2 + 213764^2 .

It is not a de Polignac number, because 80499308177 - 2²⁸ = 80230872721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80499308117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3674777 + ... + 3696617.

It is an arithmetic number, because the mean of its divisors is an integer number (5279266005).

Almost surely, 2^80499308177 is an apocalyptic number.

It is an amenable number.

80499308177 is a deficient number, since it is larger than the sum of its proper divisors (3968947903).

80499308177 is a wasteful number, since it uses less digits than its factorization.

80499308177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23684.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 80499308177 in words is "eighty billion, four hundred ninety-nine million, three hundred eight thousand, one hundred seventy-seven".