82665244 has 6 divisors (see below), whose sum is σ = 144664184. Its totient is φ = 41332620.

The previous prime is 82665241. The next prime is 82665259. The reversal of 82665244 is 44256628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82665241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10333152 + ... + 10333159.

Almost surely, 2^82665244 is an apocalyptic number.

It is an amenable number.

82665244 is a deficient number, since it is larger than the sum of its proper divisors (61998940).

82665244 is a wasteful number, since it uses less digits than its factorization.

82665244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20666315 (or 20666313 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 82665244 is about 9092.0428947514. The cubic root of 82665244 is about 435.6198394849.

The spelling of 82665244 in words is "eighty-two million, six hundred sixty-five thousand, two hundred forty-four".