82636081 has 8 divisors (see below), whose sum is σ = 90264384. Its totient is φ = 75027120.

The previous prime is 82636039. The next prime is 82636087. The reversal of 82636081 is 18063628.

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

It is a cyclic number.

It is not a de Polignac number, because 82636081 - 2⁷ = 82635953 is a prime.

It is a super-2 number, since 2×82636081² = 13657443766077122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82636087) 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, 4980 + ... + 13786.

It is an arithmetic number, because the mean of its divisors is an integer number (11283048).

Almost surely, 2^82636081 is an apocalyptic number.

It is an amenable number.

82636081 is a deficient number, since it is larger than the sum of its proper divisors (7628303).

82636081 is a wasteful number, since it uses less digits than its factorization.

82636081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82636081 is about 9090.4389882997. The cubic root of 82636081 is about 435.5686068467.

The spelling of 82636081 in words is "eighty-two million, six hundred thirty-six thousand, eighty-one".