82081011 has 8 divisors (see below), whose sum is σ = 109486480. Its totient is φ = 54698112.

The previous prime is 82080967. The next prime is 82081039. The reversal of 82081011 is 11018028.

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

It is not a de Polignac number, because 82081011 - 2¹³ = 82072819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82081081) 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, 6711 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (13685810).

Almost surely, 2^82081011 is an apocalyptic number.

82081011 is a deficient number, since it is larger than the sum of its proper divisors (27405469).

82081011 is a wasteful number, since it uses less digits than its factorization.

82081011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11285.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 82081011 is about 9059.8571180786. The cubic root of 82081011 is about 434.5911709148.

Adding to 82081011 its reverse (11018028), we get a palindrome (93099039).

The spelling of 82081011 in words is "eighty-two million, eighty-one thousand, eleven".