82382805 has 16 divisors (see below), whose sum is σ = 146458560. Its totient is φ = 43937424.

The previous prime is 82382801. The next prime is 82382813. The reversal of 82382805 is 50828328.

It is not a de Polignac number, because 82382805 - 2² = 82382801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82382805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82382801) 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, 304987 + ... + 305256.

It is an arithmetic number, because the mean of its divisors is an integer number (9153660).

Almost surely, 2^82382805 is an apocalyptic number.

It is an amenable number.

82382805 is a deficient number, since it is larger than the sum of its proper divisors (64075755).

82382805 is a wasteful number, since it uses less digits than its factorization.

82382805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610257 (or 610251 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 82382805 is about 9076.4973971241. The cubic root of 82382805 is about 435.1231518140.

The spelling of 82382805 in words is "eighty-two million, three hundred eighty-two thousand, eight hundred five".