82112255 has 4 divisors (see below), whose sum is σ = 98534712. Its totient is φ = 65689800.

The previous prime is 82112209. The next prime is 82112257. The reversal of 82112255 is 55221128.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 82112255 - 2¹⁰ = 82111231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82112257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8211221 + ... + 8211230.

It is an arithmetic number, because the mean of its divisors is an integer number (24633678).

Almost surely, 2^82112255 is an apocalyptic number.

82112255 is a deficient number, since it is larger than the sum of its proper divisors (16422457).

82112255 is a wasteful number, since it uses less digits than its factorization.

82112255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16422456.

The product of its digits is 1600, while the sum is 26.

The square root of 82112255 is about 9061.5812637751. The cubic root of 82112255 is about 434.6463060546.

The spelling of 82112255 in words is "eighty-two million, one hundred twelve thousand, two hundred fifty-five".