80065105 has 4 divisors (see below), whose sum is σ = 96078132. Its totient is φ = 64052080.

The previous prime is 80065079. The next prime is 80065109. The reversal of 80065105 is 50156008.

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 46471489 + 33593616 = 6817^2 + 5796^2 .

It is not a de Polignac number, because 80065105 - 2²³ = 71676497 is a prime.

It is a super-2 number, since 2×80065105² = 12820842077322050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80065105.

It is not an unprimeable number, because it can be changed into a prime (80065109) 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, 8006506 + ... + 8006515.

It is an arithmetic number, because the mean of its divisors is an integer number (24019533).

Almost surely, 2^80065105 is an apocalyptic number.

It is an amenable number.

80065105 is a deficient number, since it is larger than the sum of its proper divisors (16013027).

80065105 is a wasteful number, since it uses less digits than its factorization.

80065105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16013026.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 80065105 is about 8947.9106499786. The cubic root of 80065105 is about 431.0037933714.

The spelling of 80065105 in words is "eighty million, sixty-five thousand, one hundred five".