82845078 has 16 divisors (see below), whose sum is σ = 165833136. Its totient is φ = 27591200.

The previous prime is 82845019. The next prime is 82845089. The reversal of 82845078 is 87054828.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 13112.

It is an arithmetic number, because the mean of its divisors is an integer number (10364571).

Almost surely, 2^82845078 is an apocalyptic number.

82845078 is an abundant number, since it is smaller than the sum of its proper divisors (82988058).

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

82845078 is a wasteful number, since it uses less digits than its factorization.

82845078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11919.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 82845078 is about 9101.9271585747. The cubic root of 82845078 is about 435.9355002362.

The spelling of 82845078 in words is "eighty-two million, eight hundred forty-five thousand, seventy-eight".