80566344 has 48 divisors (see below), whose sum is σ = 219336000. Its totient is φ = 26715744.

The previous prime is 80566313. The next prime is 80566397. The reversal of 80566344 is 44366508.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80566299 and 80566308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11517 + ... + 17139.

It is an arithmetic number, because the mean of its divisors is an integer number (4569500).

Almost surely, 2^80566344 is an apocalyptic number.

It is an amenable number.

80566344 is an abundant number, since it is smaller than the sum of its proper divisors (138769656).

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

80566344 is a wasteful number, since it uses less digits than its factorization.

80566344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834 (or 5827 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 80566344 is about 8975.8756675881. The cubic root of 80566344 is about 431.9013406388.

It can be divided in two parts, 8056 and 6344, that added together give a square (14400 = 120²).

The spelling of 80566344 in words is "eighty million, five hundred sixty-six thousand, three hundred forty-four".