80004065 has 4 divisors (see below), whose sum is σ = 96004884. Its totient is φ = 64003248.

The previous prime is 80004053. The next prime is 80004073. The reversal of 80004065 is 56040008.

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 48385936 + 31618129 = 6956^2 + 5623^2 .

It is a cyclic number.

It is not a de Polignac number, because 80004065 - 2¹⁰ = 80003041 is a prime.

It is a Duffinian number.

80004065 is a modest number, since divided by 4065 gives 800 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 80004065.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8000402 + ... + 8000411.

It is an arithmetic number, because the mean of its divisors is an integer number (24001221).

Almost surely, 2^80004065 is an apocalyptic number.

It is an amenable number.

80004065 is a deficient number, since it is larger than the sum of its proper divisors (16000819).

80004065 is a wasteful number, since it uses less digits than its factorization.

80004065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000818.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 80004065 is about 8944.4991475208. The cubic root of 80004065 is about 430.8942360303.

The spelling of 80004065 in words is "eighty million, four thousand, sixty-five".