82167197 has 8 divisors (see below), whose sum is σ = 94120896. Its totient is φ = 70267392.

The previous prime is 82167187. The next prime is 82167199. The reversal of 82167197 is 79176128.

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 82167197 - 2¹⁶ = 82101661 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 (82167199) 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, 10148 + ... + 16349.

It is an arithmetic number, because the mean of its divisors is an integer number (11765112).

Almost surely, 2^82167197 is an apocalyptic number.

It is an amenable number.

82167197 is a deficient number, since it is larger than the sum of its proper divisors (11953699).

82167197 is a wasteful number, since it uses less digits than its factorization.

82167197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26947.

The product of its digits is 42336, while the sum is 41.

The square root of 82167197 is about 9064.6123469236. The cubic root of 82167197 is about 434.7432262733.

The spelling of 82167197 in words is "eighty-two million, one hundred sixty-seven thousand, one hundred ninety-seven".