80556286328 has 16 divisors (see below), whose sum is σ = 172620613680. Its totient is φ = 34524122688.

The previous prime is 80556286319. The next prime is 80556286331. The reversal of 80556286328 is 82368265508.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 80556286328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719252501 + ... + 719252612.

It is an arithmetic number, because the mean of its divisors is an integer number (10788788355).

Almost surely, 2^80556286328 is an apocalyptic number.

It is an amenable number.

80556286328 is an abundant number, since it is smaller than the sum of its proper divisors (92064327352).

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

80556286328 is a wasteful number, since it uses less digits than its factorization.

80556286328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438505126 (or 1438505122 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 80556286328 in words is "eighty billion, five hundred fifty-six million, two hundred eighty-six thousand, three hundred twenty-eight".