82027100 has 18 divisors (see below), whose sum is σ = 177999024. Its totient is φ = 32810800.

The previous prime is 82027073. The next prime is 82027111. The reversal of 82027100 is 172028.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 410036 + ... + 410235.

Almost surely, 2^82027100 is an apocalyptic number.

It is an amenable number.

82027100 is an abundant number, since it is smaller than the sum of its proper divisors (95971924).

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

82027100 is a wasteful number, since it uses less digits than its factorization.

82027100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820285 (or 820278 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 82027100 is about 9056.8813617050. The cubic root of 82027100 is about 434.4960032438.

Adding to 82027100 its reverse (172028), we get a palindrome (82199128).

The spelling of 82027100 in words is "eighty-two million, twenty-seven thousand, one hundred".