82866503 has 8 divisors (see below), whose sum is σ = 86991360. Its totient is φ = 78832440.

The previous prime is 82866479. The next prime is 82866523. The reversal of 82866503 is 30566828.

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

It is a cyclic number.

It is not a de Polignac number, because 82866503 - 2⁸ = 82866247 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 (82866523) 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 7 ways as a sum of consecutive naturals, for example, 20825 + ... + 24482.

It is an arithmetic number, because the mean of its divisors is an integer number (10873920).

Almost surely, 2^82866503 is an apocalyptic number.

82866503 is a deficient number, since it is larger than the sum of its proper divisors (4124857).

82866503 is a wasteful number, since it uses less digits than its factorization.

82866503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45397.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 82866503 is about 9103.1040310435. The cubic root of 82866503 is about 435.9730768522.

The spelling of 82866503 in words is "eighty-two million, eight hundred sixty-six thousand, five hundred three".