82112208 has 40 divisors (see below), whose sum is σ = 221348928. Its totient is φ = 26180352.

The previous prime is 82112203. The next prime is 82112209. The reversal of 82112208 is 80221128.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82112203) 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, 36085 + ... + 38292.

Almost surely, 2^82112208 is an apocalyptic number.

It is an amenable number.

82112208 is an abundant number, since it is smaller than the sum of its proper divisors (139236720).

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

82112208 is a wasteful number, since it uses less digits than its factorization.

82112208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74411 (or 74405 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 82112208 is about 9061.5786704084. The cubic root of 82112208 is about 434.6462231259.

The spelling of 82112208 in words is "eighty-two million, one hundred twelve thousand, two hundred eight".