82957219 has 8 divisors (see below), whose sum is σ = 85314560. Its totient is φ = 80606016.

The previous prime is 82957183. The next prime is 82957241. The reversal of 82957219 is 91275928.

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 82957219 - 2⁹ = 82956707 is a prime.

It is a super-2 number, since 2×82957219² = 13763800368427922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82957279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46447 + ... + 48199.

It is an arithmetic number, because the mean of its divisors is an integer number (10664320).

Almost surely, 2^82957219 is an apocalyptic number.

82957219 is a deficient number, since it is larger than the sum of its proper divisors (2357341).

82957219 is a wasteful number, since it uses less digits than its factorization.

82957219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069.

The product of its digits is 90720, while the sum is 43.

The square root of 82957219 is about 9108.0853641147. The cubic root of 82957219 is about 436.1321089861.

The spelling of 82957219 in words is "eighty-two million, nine hundred fifty-seven thousand, two hundred nineteen".