82667266 has 32 divisors (see below), whose sum is σ = 142663680. Its totient is φ = 35576400.

The previous prime is 82667161. The next prime is 82667269. The reversal of 82667266 is 66276628.

It is not an unprimeable number, because it can be changed into a prime (82667269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 30765 + ... + 33343.

It is an arithmetic number, because the mean of its divisors is an integer number (4458240).

Almost surely, 2^82667266 is an apocalyptic number.

82667266 is a deficient number, since it is larger than the sum of its proper divisors (59996414).

82667266 is a wasteful number, since it uses less digits than its factorization.

82667266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670.

The product of its digits is 290304, while the sum is 43.

The square root of 82667266 is about 9092.1540902033. The cubic root of 82667266 is about 435.6233912239.

The spelling of 82667266 in words is "eighty-two million, six hundred sixty-seven thousand, two hundred sixty-six".