82042267 has 4 divisors (see below), whose sum is σ = 82168560. Its totient is φ = 81915976.

The previous prime is 82042249. The next prime is 82042277. The reversal of 82042267 is 76224028.

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

It is a cyclic number.

It is not a de Polignac number, because 82042267 - 2⁷ = 82042139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82042217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62167 + ... + 63472.

It is an arithmetic number, because the mean of its divisors is an integer number (20542140).

Almost surely, 2^82042267 is an apocalyptic number.

82042267 is a deficient number, since it is larger than the sum of its proper divisors (126293).

82042267 is a wasteful number, since it uses less digits than its factorization.

82042267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126292.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 82042267 is about 9057.7186421306. The cubic root of 82042267 is about 434.5227813645.

The spelling of 82042267 in words is "eighty-two million, forty-two thousand, two hundred sixty-seven".