83108065 has 4 divisors (see below), whose sum is σ = 99729684. Its totient is φ = 66486448.

The previous prime is 83108063. The next prime is 83108099. The reversal of 83108065 is 56080138.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56080138 = 2 ⋅28040069.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 71520849 = 3404^2 + 8457^2 .

It is a cyclic number.

It is not a de Polignac number, because 83108065 - 2¹ = 83108063 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83108063) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8310802 + ... + 8310811.

It is an arithmetic number, because the mean of its divisors is an integer number (24932421).

Almost surely, 2^83108065 is an apocalyptic number.

It is an amenable number.

83108065 is a deficient number, since it is larger than the sum of its proper divisors (16621619).

83108065 is a wasteful number, since it uses less digits than its factorization.

83108065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16621618.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 83108065 is about 9116.3624873082. The cubic root of 83108065 is about 436.3962971595.

The spelling of 83108065 in words is "eighty-three million, one hundred eight thousand, sixty-five".