82859291 has 4 divisors (see below), whose sum is σ = 82914000. Its totient is φ = 82804584.

The previous prime is 82859281. The next prime is 82859303. The reversal of 82859291 is 19295828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82859291 - 2¹⁸ = 82597147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82859281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25016 + ... + 28133.

It is an arithmetic number, because the mean of its divisors is an integer number (20728500).

Almost surely, 2^82859291 is an apocalyptic number.

82859291 is a deficient number, since it is larger than the sum of its proper divisors (54709).

82859291 is a wasteful number, since it uses less digits than its factorization.

82859291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54708.

The product of its digits is 103680, while the sum is 44.

The square root of 82859291 is about 9102.7078938083. The cubic root of 82859291 is about 435.9604286814.

It can be divided in two parts, 8285 and 9291, that added together give a cube (17576 = 26³).

The spelling of 82859291 in words is "eighty-two million, eight hundred fifty-nine thousand, two hundred ninety-one".