82287475 has 12 divisors (see below), whose sum is σ = 103711120. Its totient is φ = 64749600.

The previous prime is 82287473. The next prime is 82287493. The reversal of 82287475 is 57478228.

It is not a de Polignac number, because 82287475 - 2¹ = 82287473 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82287473) 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 11 ways as a sum of consecutive naturals, for example, 25455 + ... + 28504.

Almost surely, 2^82287475 is an apocalyptic number.

82287475 is a deficient number, since it is larger than the sum of its proper divisors (21423645).

82287475 is a wasteful number, since it uses less digits than its factorization.

82287475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54030 (or 54025 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 82287475 is about 9071.2444019550. The cubic root of 82287475 is about 434.9552514853.

The spelling of 82287475 in words is "eighty-two million, two hundred eighty-seven thousand, four hundred seventy-five".