82411188 has 12 divisors (see below), whose sum is σ = 192292800. Its totient is φ = 27470392.

The previous prime is 82411187. The next prime is 82411213. The reversal of 82411188 is 88111428.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82411181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433788 + ... + 3433811.

It is an arithmetic number, because the mean of its divisors is an integer number (16024400).

Almost surely, 2^82411188 is an apocalyptic number.

It is an amenable number.

82411188 is an abundant number, since it is smaller than the sum of its proper divisors (109881612).

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

82411188 is a wasteful number, since it uses less digits than its factorization.

82411188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867606 (or 6867604 counting only the distinct ones).

The product of its digits is 4096, while the sum is 33.

The square root of 82411188 is about 9078.0608061414. The cubic root of 82411188 is about 435.1731164572.

The spelling of 82411188 in words is "eighty-two million, four hundred eleven thousand, one hundred eighty-eight".