82805163 has 8 divisors (see below), whose sum is σ = 126179328. Its totient is φ = 47317224.

The previous prime is 82805159. The next prime is 82805167. The reversal of 82805163 is 36150828.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82805159) and next prime (82805167).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82805163 - 2² = 82805159 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (82805167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971531 + ... + 1971572.

It is an arithmetic number, because the mean of its divisors is an integer number (15772416).

Almost surely, 2^82805163 is an apocalyptic number.

82805163 is a deficient number, since it is larger than the sum of its proper divisors (43374165).

82805163 is a wasteful number, since it uses less digits than its factorization.

82805163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943113.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 82805163 is about 9099.7342268882. The cubic root of 82805163 is about 435.8654773245.

The spelling of 82805163 in words is "eighty-two million, eight hundred five thousand, one hundred sixty-three".