82284427 has 4 divisors (see below), whose sum is σ = 83039440. Its totient is φ = 81529416.

The previous prime is 82284401. The next prime is 82284479. The reversal of 82284427 is 72448228.

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 82284427 - 2¹⁹ = 81760139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82284487) 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, 377343 + ... + 377560.

It is an arithmetic number, because the mean of its divisors is an integer number (20759860).

Almost surely, 2^82284427 is an apocalyptic number.

82284427 is a deficient number, since it is larger than the sum of its proper divisors (755013).

82284427 is a wasteful number, since it uses less digits than its factorization.

82284427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755012.

The product of its digits is 57344, while the sum is 37.

The square root of 82284427 is about 9071.0763969884. The cubic root of 82284427 is about 434.9498810448.

The spelling of 82284427 in words is "eighty-two million, two hundred eighty-four thousand, four hundred twenty-seven".