82084681 has 8 divisors (see below), whose sum is σ = 94387904. Its totient is φ = 69925680.

The previous prime is 82084679. The next prime is 82084741. The reversal of 82084681 is 18648028.

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 82084681 - 2¹ = 82084679 is a prime.

It is a super-2 number, since 2×82084681² = 13475789709743522, 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 82084681.

It is not an unprimeable number, because it can be changed into a prime (82084661) 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, 34830 + ... + 37111.

It is an arithmetic number, because the mean of its divisors is an integer number (11798488).

Almost surely, 2^82084681 is an apocalyptic number.

It is an amenable number.

82084681 is a deficient number, since it is larger than the sum of its proper divisors (12303223).

82084681 is a wasteful number, since it uses less digits than its factorization.

82084681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72111.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 82084681 is about 9060.0596576402. The cubic root of 82084681 is about 434.5976479542.

The spelling of 82084681 in words is "eighty-two million, eighty-four thousand, six hundred eighty-one".