82804615 has 8 divisors (see below), whose sum is σ = 99667728. Its totient is φ = 66042240.

The previous prime is 82804613. The next prime is 82804639. The reversal of 82804615 is 51640828.

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

It is not a de Polignac number, because 82804615 - 2¹ = 82804613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82804613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23362 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (12458466).

Almost surely, 2^82804615 is an apocalyptic number.

82804615 is a deficient number, since it is larger than the sum of its proper divisors (16863113).

82804615 is a wasteful number, since it uses less digits than its factorization.

82804615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50369.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 82804615 is about 9099.7041160688. The cubic root of 82804615 is about 435.8645158111.

The spelling of 82804615 in words is "eighty-two million, eight hundred four thousand, six hundred fifteen".