80284569 has 16 divisors (see below), whose sum is σ = 109824000. Its totient is φ = 52140816.

The previous prime is 80284531. The next prime is 80284573. The reversal of 80284569 is 96548208.

It is not a de Polignac number, because 80284569 - 2¹⁹ = 79760281 is a prime.

It is a super-2 number, since 2×80284569² = 12891224039031522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80284569.

It is not an unprimeable number, because it can be changed into a prime (80284069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76752 + ... + 77790.

It is an arithmetic number, because the mean of its divisors is an integer number (6864000).

Almost surely, 2^80284569 is an apocalyptic number.

It is an amenable number.

80284569 is a deficient number, since it is larger than the sum of its proper divisors (29539431).

80284569 is a wasteful number, since it uses less digits than its factorization.

80284569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 80284569 is about 8960.1656792718. The cubic root of 80284569 is about 431.3972378569.

The spelling of 80284569 in words is "eighty million, two hundred eighty-four thousand, five hundred sixty-nine".