82386865 has 16 divisors (see below), whose sum is σ = 108029376. Its totient is φ = 59819200.

The previous prime is 82386859. The next prime is 82386937. The reversal of 82386865 is 56868328.

It is a happy number.

It is not a de Polignac number, because 82386865 - 2¹⁷ = 82255793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59319 + ... + 60691.

It is an arithmetic number, because the mean of its divisors is an integer number (6751836).

Almost surely, 2^82386865 is an apocalyptic number.

It is an amenable number.

82386865 is a deficient number, since it is larger than the sum of its proper divisors (25642511).

82386865 is a wasteful number, since it uses less digits than its factorization.

82386865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480.

The product of its digits is 552960, while the sum is 46.

The square root of 82386865 is about 9076.7210489251. The cubic root of 82386865 is about 435.1302996283.

The spelling of 82386865 in words is "eighty-two million, three hundred eighty-six thousand, eight hundred sixty-five".