82765682 has 4 divisors (see below), whose sum is σ = 124148526. Its totient is φ = 41382840.

The previous prime is 82765679. The next prime is 82765687. The reversal of 82765682 is 28656728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70241161 + 12524521 = 8381^2 + 3539^2 .

It is not an unprimeable number, because it can be changed into a prime (82765687) 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 as a sum of consecutive naturals, namely, 20691419 + ... + 20691422.

Almost surely, 2^82765682 is an apocalyptic number.

82765682 is a deficient number, since it is larger than the sum of its proper divisors (41382844).

82765682 is a wasteful number, since it uses less digits than its factorization.

82765682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41382843.

The product of its digits is 322560, while the sum is 44.

The square root of 82765682 is about 9097.5646191714. The cubic root of 82765682 is about 435.7961936391.

The spelling of 82765682 in words is "eighty-two million, seven hundred sixty-five thousand, six hundred eighty-two".