82664173 has 8 divisors (see below), whose sum is σ = 83524608. Its totient is φ = 81807264.

The previous prime is 82664171. The next prime is 82664177. The reversal of 82664173 is 37146628.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82664173 - 2¹ = 82664171 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82664171) 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 7 ways as a sum of consecutive naturals, for example, 86265 + ... + 87217.

It is an arithmetic number, because the mean of its divisors is an integer number (10440576).

Almost surely, 2^82664173 is an apocalyptic number.

It is an amenable number.

82664173 is a deficient number, since it is larger than the sum of its proper divisors (860435).

82664173 is a wasteful number, since it uses less digits than its factorization.

82664173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its digits is 48384, while the sum is 37.

The square root of 82664173 is about 9091.9839969063. The cubic root of 82664173 is about 435.6179581990.

The spelling of 82664173 in words is "eighty-two million, six hundred sixty-four thousand, one hundred seventy-three".