82917197 has 8 divisors (see below), whose sum is σ = 95216160. Its totient is φ = 71411760.

The previous prime is 82917193. The next prime is 82917203. The reversal of 82917197 is 79171928.

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 82917197 - 2² = 82917193 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 (82917193) 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, 198158 + ... + 198575.

It is an arithmetic number, because the mean of its divisors is an integer number (11902020).

Almost surely, 2^82917197 is an apocalyptic number.

It is an amenable number.

82917197 is a deficient number, since it is larger than the sum of its proper divisors (12298963).

82917197 is a wasteful number, since it uses less digits than its factorization.

82917197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396763.

The product of its digits is 63504, while the sum is 44.

The square root of 82917197 is about 9105.8880401639. Note that the first 3 decimals coincide. The cubic root of 82917197 is about 436.0619616370.

The spelling of 82917197 in words is "eighty-two million, nine hundred seventeen thousand, one hundred ninety-seven".