82664085 has 16 divisors (see below), whose sum is σ = 151157376. Its totient is φ = 37789248.

The previous prime is 82664083. The next prime is 82664129. The reversal of 82664085 is 58046628.

It is not a de Polignac number, because 82664085 - 2¹ = 82664083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82664083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393534 + ... + 393743.

It is an arithmetic number, because the mean of its divisors is an integer number (9447336).

Almost surely, 2^82664085 is an apocalyptic number.

It is an amenable number.

82664085 is a deficient number, since it is larger than the sum of its proper divisors (68493291).

82664085 is a wasteful number, since it uses less digits than its factorization.

82664085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787292.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 82664085 is about 9091.9791574772. The cubic root of 82664085 is about 435.6178036202.

The spelling of 82664085 in words is "eighty-two million, six hundred sixty-four thousand, eighty-five".