80559372 has 18 divisors (see below), whose sum is σ = 188044444. Its totient is φ = 26842760.

The previous prime is 80559371. The next prime is 80559403. The reversal of 80559372 is 27395508.

It is a self number, because there is not a number n which added to its sum of digits gives 80559372.

It is not an unprimeable number, because it can be changed into a prime (80559371) 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 5 ways as a sum of consecutive naturals, for example, 29797 + ... + 32387.

Almost surely, 2^80559372 is an apocalyptic number.

It is an amenable number.

80559372 is an abundant number, since it is smaller than the sum of its proper divisors (107485072).

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

80559372 is an equidigital number, since it uses as much as digits as its factorization.

80559372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 80559372 is about 8975.4872848219. The cubic root of 80559372 is about 431.8888817432. Note that the first 5 decimals are identical.

The spelling of 80559372 in words is "eighty million, five hundred fifty-nine thousand, three hundred seventy-two".