82680197 has 8 divisors (see below), whose sum is σ = 88070976. Its totient is φ = 77348032.

The previous prime is 82680187. The next prime is 82680217. The reversal of 82680197 is 79108628.

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 82680197 - 2¹⁰ = 82679173 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 (82680107) 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, 11723 + ... + 17400.

It is an arithmetic number, because the mean of its divisors is an integer number (11008872).

Almost surely, 2^82680197 is an apocalyptic number.

It is an amenable number.

82680197 is a deficient number, since it is larger than the sum of its proper divisors (5390779).

82680197 is a wasteful number, since it uses less digits than its factorization.

82680197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29307.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 82680197 is about 9092.8651700110. The cubic root of 82680197 is about 435.6461037705.

The spelling of 82680197 in words is "eighty-two million, six hundred eighty thousand, one hundred ninety-seven".