82116259 has 8 divisors (see below), whose sum is σ = 83704320. Its totient is φ = 80534856.

The previous prime is 82116253. The next prime is 82116329. The reversal of 82116259 is 95261128.

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 82116259 - 2¹⁷ = 81985187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82116253) 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, 28294 + ... + 31060.

It is an arithmetic number, because the mean of its divisors is an integer number (10463040).

Almost surely, 2^82116259 is an apocalyptic number.

82116259 is a deficient number, since it is larger than the sum of its proper divisors (1588061).

82116259 is a wasteful number, since it uses less digits than its factorization.

82116259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329.

The product of its digits is 8640, while the sum is 34.

The square root of 82116259 is about 9061.8021938244. The cubic root of 82116259 is about 434.6533707553.

The spelling of 82116259 in words is "eighty-two million, one hundred sixteen thousand, two hundred fifty-nine".