82123875 has 40 divisors (see below), whose sum is σ = 153122112. Its totient is φ = 43794000.

The previous prime is 82123849. The next prime is 82123903. The reversal of 82123875 is 57832128.

It is not a de Polignac number, because 82123875 - 2¹¹ = 82121827 is a prime.

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 39 ways as a sum of consecutive naturals, for example, 6070 + ... + 14180.

Almost surely, 2^82123875 is an apocalyptic number.

82123875 is a deficient number, since it is larger than the sum of its proper divisors (70998237).

82123875 is an equidigital number, since it uses as much as digits as its factorization.

82123875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138 (or 8119 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 82123875 is about 9062.2224095417. Note that the first 3 decimals coincide. The cubic root of 82123875 is about 434.6668078739. Note that the first 3 decimals are identical.

The spelling of 82123875 in words is "eighty-two million, one hundred twenty-three thousand, eight hundred seventy-five".