80840555172 has 96 divisors (see below), whose sum is σ = 225772117760. Its totient is φ = 24867025920.

The previous prime is 80840555167. The next prime is 80840555221. The reversal of 80840555172 is 27155504808.

80840555172 is a `hidden beast` number, since 8 + 0 + 84 + 0 + 55 + 517 + 2 = 666.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7409073 + ... + 7419975.

Almost surely, 2^80840555172 is an apocalyptic number.

It is an amenable number.

80840555172 is an abundant number, since it is smaller than the sum of its proper divisors (144931562588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80840555172 is a wasteful number, since it uses less digits than its factorization.

80840555172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210 (or 16202 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 80840555172 in words is "eighty billion, eight hundred forty million, five hundred fifty-five thousand, one hundred seventy-two".