80670805529 has 8 divisors (see below), whose sum is σ = 80783214600. Its totient is φ = 80558464896.

The previous prime is 80670805507. The next prime is 80670805531. The reversal of 80670805529 is 92550807608.

It can be written as a sum of positive squares in 4 ways, for example, as 71631169600 + 9039635929 = 267640^2 + 95077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80670805529 - 2⁸ = 80670805273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80670802529) 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 7 ways as a sum of consecutive naturals, for example, 2617799 + ... + 2648435.

It is an arithmetic number, because the mean of its divisors is an integer number (10097901825).

Almost surely, 2^80670805529 is an apocalyptic number.

It is an amenable number.

80670805529 is a deficient number, since it is larger than the sum of its proper divisors (112409071).

80670805529 is a wasteful number, since it uses less digits than its factorization.

80670805529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34219.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 80670805529 in words is "eighty billion, six hundred seventy million, eight hundred five thousand, five hundred twenty-nine".