82727197 has 8 divisors (see below), whose sum is σ = 99521600. Its totient is φ = 67176864.

The previous prime is 82727171. The next prime is 82727201. The reversal of 82727197 is 79172728.

It is a happy number.

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 82727197 - 2⁷ = 82727069 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 (82727107) 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, 310872 + ... + 311137.

It is an arithmetic number, because the mean of its divisors is an integer number (12440200).

Almost surely, 2^82727197 is an apocalyptic number.

It is an amenable number.

82727197 is a deficient number, since it is larger than the sum of its proper divisors (16794403).

82727197 is a wasteful number, since it uses less digits than its factorization.

82727197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622035.

The product of its digits is 98784, while the sum is 43.

The square root of 82727197 is about 9095.4492467387. The cubic root of 82727197 is about 435.7286365860.

The spelling of 82727197 in words is "eighty-two million, seven hundred twenty-seven thousand, one hundred ninety-seven".