82578341 has 4 divisors (see below), whose sum is σ = 85425900. Its totient is φ = 79730784.

The previous prime is 82578337. The next prime is 82578359. The reversal of 82578341 is 14387528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35450116 + 47128225 = 5954^2 + 6865^2 .

It is a cyclic number.

It is not a de Polignac number, because 82578341 - 2² = 82578337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82578295 and 82578304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82578311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423736 + ... + 1423793.

It is an arithmetic number, because the mean of its divisors is an integer number (21356475).

Almost surely, 2^82578341 is an apocalyptic number.

It is an amenable number.

82578341 is a deficient number, since it is larger than the sum of its proper divisors (2847559).

82578341 is a wasteful number, since it uses less digits than its factorization.

82578341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847558.

The product of its digits is 53760, while the sum is 38.

The square root of 82578341 is about 9087.2625691129. The cubic root of 82578341 is about 435.4671354680.

The spelling of 82578341 in words is "eighty-two million, five hundred seventy-eight thousand, three hundred forty-one".