82075575 has 24 divisors (see below), whose sum is σ = 143682768. Its totient is φ = 41198080.

The previous prime is 82075531. The next prime is 82075577. The reversal of 82075575 is 57557028.

It is not a de Polignac number, because 82075575 - 2¹¹ = 82073527 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82075577) 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 23 ways as a sum of consecutive naturals, for example, 30912 + ... + 33461.

It is an arithmetic number, because the mean of its divisors is an integer number (5986782).

Almost surely, 2^82075575 is an apocalyptic number.

82075575 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

82075575 is a deficient number, since it is larger than the sum of its proper divisors (61607193).

82075575 is a wasteful number, since it uses less digits than its factorization.

82075575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64403 (or 64398 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 82075575 is about 9059.5571083801. The cubic root of 82075575 is about 434.5815767763.

The spelling of 82075575 in words is "eighty-two million, seventy-five thousand, five hundred seventy-five".