82576081 has 8 divisors (see below), whose sum is σ = 94434560. Its totient is φ = 70733088.

The previous prime is 82576063. The next prime is 82576097. The reversal of 82576081 is 18067528.

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 82576081 - 2¹⁹ = 82051793 is a prime.

It is a super-2 number, since 2×82576081² = 13637618306637122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82576081.

It is not an unprimeable number, because it can be changed into a prime (82576031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11800 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (11804320).

Almost surely, 2^82576081 is an apocalyptic number.

It is an amenable number.

82576081 is a deficient number, since it is larger than the sum of its proper divisors (11858479).

82576081 is a wasteful number, since it uses less digits than its factorization.

82576081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 82576081 is about 9087.1382183832. The cubic root of 82576081 is about 435.4631628173.

The spelling of 82576081 in words is "eighty-two million, five hundred seventy-six thousand, eighty-one".