80556405572 has 12 divisors (see below), whose sum is σ = 143973150720. Its totient is φ = 39421219656.

The previous prime is 80556405569. The next prime is 80556405607. The reversal of 80556405572 is 27550465508.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 214245572 + ... + 214245947.

It is an arithmetic number, because the mean of its divisors is an integer number (11997762560).

Almost surely, 2^80556405572 is an apocalyptic number.

It is an amenable number.

80556405572 is a deficient number, since it is larger than the sum of its proper divisors (63416745148).

80556405572 is a wasteful number, since it uses less digits than its factorization.

80556405572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428491570 (or 428491568 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 47.

The spelling of 80556405572 in words is "eighty billion, five hundred fifty-six million, four hundred five thousand, five hundred seventy-two".