82258666 has 8 divisors (see below), whose sum is σ = 141014880. Its totient is φ = 35253708.

The previous prime is 82258661. The next prime is 82258691. The reversal of 82258666 is 66685228.

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

It is not an unprimeable number, because it can be changed into a prime (82258661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2937796 + ... + 2937823.

It is an arithmetic number, because the mean of its divisors is an integer number (17626860).

Almost surely, 2^82258666 is an apocalyptic number.

82258666 is a deficient number, since it is larger than the sum of its proper divisors (58756214).

82258666 is a wasteful number, since it uses less digits than its factorization.

82258666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875628.

The product of its digits is 276480, while the sum is 43.

The square root of 82258666 is about 9069.6563330702. The cubic root of 82258666 is about 434.9044860095.

The spelling of 82258666 in words is "eighty-two million, two hundred fifty-eight thousand, six hundred sixty-six".