80446469 has 16 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 75911040.

The previous prime is 80446463. The next prime is 80446481. The reversal of 80446469 is 96464408.

It is a cyclic number.

It is not a de Polignac number, because 80446469 - 2⁸ = 80446213 is a prime.

It is a super-2 number, since 2×80446469² = 12943268749135922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80446463) 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, 209852 + ... + 210234.

It is an arithmetic number, because the mean of its divisors is an integer number (5322240).

Almost surely, 2^80446469 is an apocalyptic number.

It is an amenable number.

80446469 is a deficient number, since it is larger than the sum of its proper divisors (4709371).

80446469 is a wasteful number, since it uses less digits than its factorization.

80446469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 80446469 is about 8969.1955603610. The cubic root of 80446469 is about 431.6870250399.

The spelling of 80446469 in words is "eighty million, four hundred forty-six thousand, four hundred sixty-nine".