82282889 has 24 divisors (see below), whose sum is σ = 93637440. Its totient is φ = 72176832.

The previous prime is 82282883. The next prime is 82282909. The reversal of 82282889 is 98828228.

It is a de Polignac number, because none of the positive numbers 2^k-82282889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82282883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504722 + ... + 504884.

It is an arithmetic number, because the mean of its divisors is an integer number (3901560).

Almost surely, 2^82282889 is an apocalyptic number.

It is an amenable number.

82282889 is a deficient number, since it is larger than the sum of its proper divisors (11354551).

82282889 is a wasteful number, since it uses less digits than its factorization.

82282889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 308 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 82282889 is about 9070.9916216475. The cubic root of 82282889 is about 434.9471711068.

The spelling of 82282889 in words is "eighty-two million, two hundred eighty-two thousand, eight hundred eighty-nine".