82566275 has 24 divisors (see below), whose sum is σ = 112720464. Its totient is φ = 59494400.

The previous prime is 82566271. The next prime is 82566283. The reversal of 82566275 is 57266528.

It is not a de Polignac number, because 82566275 - 2² = 82566271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82566271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29747 + ... + 32403.

It is an arithmetic number, because the mean of its divisors is an integer number (4696686).

Almost surely, 2^82566275 is an apocalyptic number.

82566275 is a deficient number, since it is larger than the sum of its proper divisors (30154189).

82566275 is a wasteful number, since it uses less digits than its factorization.

82566275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2786 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 82566275 is about 9086.5986485593. The cubic root of 82566275 is about 435.4459248925.

The spelling of 82566275 in words is "eighty-two million, five hundred sixty-six thousand, two hundred seventy-five".