82111098 has 16 divisors (see below), whose sum is σ = 167321376. Its totient is φ = 26853840.

The previous prime is 82111097. The next prime is 82111109. The reversal of 82111098 is 89011128.

It is not an unprimeable number, because it can be changed into a prime (82111097) 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, 128788 + ... + 129423.

It is an arithmetic number, because the mean of its divisors is an integer number (10457586).

Almost surely, 2^82111098 is an apocalyptic number.

82111098 is an abundant number, since it is smaller than the sum of its proper divisors (85210278).

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

82111098 is a wasteful number, since it uses less digits than its factorization.

82111098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258269.

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 82111098 is about 9061.5174225954. The cubic root of 82111098 is about 434.6442645885.

Adding to 82111098 its sum of digits (30), we get a palindrome (82111128).

The spelling of 82111098 in words is "eighty-two million, one hundred eleven thousand, ninety-eight".