80424065 has 8 divisors (see below), whose sum is σ = 97010088. Its totient is φ = 64005120.

The previous prime is 80424011. The next prime is 80424073. The reversal of 80424065 is 56042408.

It can be written as a sum of positive squares in 4 ways, for example, as 13315201 + 67108864 = 3649^2 + 8192^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80424065 - 2⁸ = 80423809 is a prime.

It is a super-2 number, since 2×80424065² = 12936060462248450, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 40706 + ... + 42635.

It is an arithmetic number, because the mean of its divisors is an integer number (12126261).

Almost surely, 2^80424065 is an apocalyptic number.

It is an amenable number.

80424065 is a deficient number, since it is larger than the sum of its proper divisors (16586023).

80424065 is a wasteful number, since it uses less digits than its factorization.

80424065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83539.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 80424065 is about 8967.9465319548. The cubic root of 80424065 is about 431.6469469847.

The spelling of 80424065 in words is "eighty million, four hundred twenty-four thousand, sixty-five".