80505810558 has 12 divisors (see below), whose sum is σ = 174429256248. Its totient is φ = 26835270180.

The previous prime is 80505810509. The next prime is 80505810599. The reversal of 80505810558 is 85501850508.

It is a happy number.

80505810558 is a `hidden beast` number, since 80 + 5 + 0 + 5 + 8 + 10 + 558 = 666.

It is a super-3 number, since 3×80505810558³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2236272498 + ... + 2236272533.

It is an arithmetic number, because the mean of its divisors is an integer number (14535771354).

Almost surely, 2^80505810558 is an apocalyptic number.

80505810558 is an abundant number, since it is smaller than the sum of its proper divisors (93923445690).

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

80505810558 is a wasteful number, since it uses less digits than its factorization.

80505810558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472545039 (or 4472545036 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 45.

The spelling of 80505810558 in words is "eighty billion, five hundred five million, eight hundred ten thousand, five hundred fifty-eight".