80589049 has 4 divisors (see below), whose sum is σ = 80846836. Its totient is φ = 80331264.

The previous prime is 80589043. The next prime is 80589073. The reversal of 80589049 is 94098508.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1254400 + 79334649 = 1120^2 + 8907^2 .

It is a cyclic number.

It is not a de Polignac number, because 80589049 - 2⁹ = 80588537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80588996 and 80589014.

It is not an unprimeable number, because it can be changed into a prime (80589043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128424 + ... + 129049.

It is an arithmetic number, because the mean of its divisors is an integer number (20211709).

Almost surely, 2^80589049 is an apocalyptic number.

It is an amenable number.

80589049 is a deficient number, since it is larger than the sum of its proper divisors (257787).

80589049 is a wasteful number, since it uses less digits than its factorization.

80589049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257786.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 80589049 is about 8977.1403575972. The cubic root of 80589049 is about 431.9419092700.

The spelling of 80589049 in words is "eighty million, five hundred eighty-nine thousand, forty-nine".