82408115 has 4 divisors (see below), whose sum is σ = 98889744. Its totient is φ = 65926488.

The previous prime is 82408093. The next prime is 82408121. The reversal of 82408115 is 51180428.

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

It is a cyclic number.

It is not a de Polignac number, because 82408115 - 2²⁴ = 65630899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8240807 + ... + 8240816.

It is an arithmetic number, because the mean of its divisors is an integer number (24722436).

Almost surely, 2^82408115 is an apocalyptic number.

82408115 is a deficient number, since it is larger than the sum of its proper divisors (16481629).

82408115 is a wasteful number, since it uses less digits than its factorization.

82408115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481628.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 82408115 is about 9077.8915503546. The cubic root of 82408115 is about 435.1677073874.

The spelling of 82408115 in words is "eighty-two million, four hundred eight thousand, one hundred fifteen".