82027170 has 24 divisors (see below), whose sum is σ = 213270876. Its totient is φ = 21873888.

The previous prime is 82027151. The next prime is 82027171. The reversal of 82027170 is 7172028.

It can be written as a sum of positive squares in 2 ways, for example, as 68211081 + 13816089 = 8259^2 + 3717^2 .

It is not an unprimeable number, because it can be changed into a prime (82027171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455617 + ... + 455796.

Almost surely, 2^82027170 is an apocalyptic number.

82027170 is an abundant number, since it is smaller than the sum of its proper divisors (131243706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82027170 is a wasteful number, since it uses less digits than its factorization.

82027170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911426 (or 911423 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 82027170 is about 9056.8852261691. The cubic root of 82027170 is about 434.4961268400.

Adding to 82027170 its reverse (7172028), we get a palindrome (89199198).

The spelling of 82027170 in words is "eighty-two million, twenty-seven thousand, one hundred seventy".