80856220424 has 16 divisors (see below), whose sum is σ = 173263329600. Its totient is φ = 34652665872.

The previous prime is 80856220421. The next prime is 80856220453. The reversal of 80856220424 is 42402265808.

It is not an unprimeable number, because it can be changed into a prime (80856220421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721930484 + ... + 721930595.

It is an arithmetic number, because the mean of its divisors is an integer number (10828958100).

Almost surely, 2^80856220424 is an apocalyptic number.

It is an amenable number.

80856220424 is an abundant number, since it is smaller than the sum of its proper divisors (92407109176).

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

80856220424 is a wasteful number, since it uses less digits than its factorization.

80856220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443861092 (or 1443861088 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 80856220424 in words is "eighty billion, eight hundred fifty-six million, two hundred twenty thousand, four hundred twenty-four".