82271271 has 8 divisors (see below), whose sum is σ = 110012544. Its totient is φ = 54688760.

The previous prime is 82271269. The next prime is 82271281. The reversal of 82271271 is 17217228.

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 82271271 - 2¹ = 82271269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82271201) 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, 38475 + ... + 40556.

It is an arithmetic number, because the mean of its divisors is an integer number (13751568).

Almost surely, 2^82271271 is an apocalyptic number.

82271271 is a deficient number, since it is larger than the sum of its proper divisors (27741273).

82271271 is a wasteful number, since it uses less digits than its factorization.

82271271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79381.

The product of its digits is 3136, while the sum is 30.

The square root of 82271271 is about 9070.3512059898. The cubic root of 82271271 is about 434.9266992357.

Adding to 82271271 its reverse (17217228), we get a palindrome (99488499).

It can be divided in two parts, 82 and 271271, that multiplied together give a palindrome (22244222).

The spelling of 82271271 in words is "eighty-two million, two hundred seventy-one thousand, two hundred seventy-one".