82823575 has 48 divisors (see below), whose sum is σ = 117046080. Its totient is φ = 57784320.

The previous prime is 82823569. The next prime is 82823579. The reversal of 82823575 is 57532828.

It is not a de Polignac number, because 82823575 - 2²¹ = 80726423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82823579) 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 47 ways as a sum of consecutive naturals, for example, 361561 + ... + 361789.

It is an arithmetic number, because the mean of its divisors is an integer number (2438460).

Almost surely, 2^82823575 is an apocalyptic number.

82823575 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82823575 is a deficient number, since it is larger than the sum of its proper divisors (34222505).

82823575 is a wasteful number, since it uses less digits than its factorization.

82823575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 311 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 82823575 is about 9100.7458485555. The cubic root of 82823575 is about 435.8977803039.

The spelling of 82823575 in words is "eighty-two million, eight hundred twenty-three thousand, five hundred seventy-five".