82379065 has 4 divisors (see below), whose sum is σ = 98854884. Its totient is φ = 65903248.

The previous prime is 82379051. The next prime is 82379071. The reversal of 82379065 is 56097328.

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 51609856 + 30769209 = 7184^2 + 5547^2 .

It is a cyclic number.

It is not a de Polignac number, because 82379065 - 2²³ = 73990457 is a prime.

It is a Smith number, since the sum of its digits (40) 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 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 3 ways as a sum of consecutive naturals, for example, 8237902 + ... + 8237911.

It is an arithmetic number, because the mean of its divisors is an integer number (24713721).

Almost surely, 2^82379065 is an apocalyptic number.

It is an amenable number.

82379065 is a deficient number, since it is larger than the sum of its proper divisors (16475819).

82379065 is a wasteful number, since it uses less digits than its factorization.

82379065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16475818.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 82379065 is about 9076.2913681746. The cubic root of 82379065 is about 435.1165671664.

The spelling of 82379065 in words is "eighty-two million, three hundred seventy-nine thousand, sixty-five".