82270171 has 8 divisors (see below), whose sum is σ = 87894080. Its totient is φ = 76775688.

The previous prime is 82270169. The next prime is 82270183. The reversal of 82270171 is 17107228.

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 82270171 - 2¹ = 82270169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82270121) 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, 31041 + ... + 33586.

It is an arithmetic number, because the mean of its divisors is an integer number (10986760).

Almost surely, 2^82270171 is an apocalyptic number.

82270171 is a deficient number, since it is larger than the sum of its proper divisors (5623909).

82270171 is a wasteful number, since it uses less digits than its factorization.

82270171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64713.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 82270171 is about 9070.2905686643. The cubic root of 82270171 is about 434.9247608454.

Adding to 82270171 its reverse (17107228), we get a palindrome (99377399).

The spelling of 82270171 in words is "eighty-two million, two hundred seventy thousand, one hundred seventy-one".