80528330275 has 12 divisors (see below), whose sum is σ = 103298410800. Its totient is φ = 62201192480.

The previous prime is 80528330269. The next prime is 80528330279. The reversal of 80528330275 is 57203382508.

It is not a de Polignac number, because 80528330275 - 2⁵ = 80528330243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80528330279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55536055 + ... + 55537504.

It is an arithmetic number, because the mean of its divisors is an integer number (8608200900).

Almost surely, 2^80528330275 is an apocalyptic number.

80528330275 is a deficient number, since it is larger than the sum of its proper divisors (22770080525).

80528330275 is a wasteful number, since it uses less digits than its factorization.

80528330275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111073598 (or 111073593 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 80528330275 in words is "eighty billion, five hundred twenty-eight million, three hundred thirty thousand, two hundred seventy-five".