82665286 has 8 divisors (see below), whose sum is σ = 135270504. Its totient is φ = 37575120.

The previous prime is 82665281. The next prime is 82665293. The reversal of 82665286 is 68256628.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82665281) 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, 1878735 + ... + 1878778.

It is an arithmetic number, because the mean of its divisors is an integer number (16908813).

Almost surely, 2^82665286 is an apocalyptic number.

82665286 is a deficient number, since it is larger than the sum of its proper divisors (52605218).

82665286 is a wasteful number, since it uses less digits than its factorization.

82665286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757526.

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

The square root of 82665286 is about 9092.0452044631. The cubic root of 82665286 is about 435.6199132604.

The spelling of 82665286 in words is "eighty-two million, six hundred sixty-five thousand, two hundred eighty-six".