80220558177 has 12 divisors (see below), whose sum is σ = 115936428244. Its totient is φ = 53451623520.

The previous prime is 80220558157. The next prime is 80220558181. The reversal of 80220558177 is 77185502208.

80220558177 is a `hidden beast` number, since 8 + 0 + 2 + 20 + 558 + 1 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31911201 + 80188646976 = 5649^2 + 283176^2 .

It is not a de Polignac number, because 80220558177 - 2¹⁶ = 80220492641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80220558157) 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, 2378038 + ... + 2411535.

Almost surely, 2^80220558177 is an apocalyptic number.

It is an amenable number.

80220558177 is a deficient number, since it is larger than the sum of its proper divisors (35715870067).

80220558177 is a wasteful number, since it uses less digits than its factorization.

80220558177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791440 (or 4791437 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The spelling of 80220558177 in words is "eighty billion, two hundred twenty million, five hundred fifty-eight thousand, one hundred seventy-seven".