82768369 has 4 divisors (see below), whose sum is σ = 82847296. Its totient is φ = 82689444.

The previous prime is 82768339. The next prime is 82768391. The reversal of 82768369 is 96386728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82768369 - 2⁷ = 82768241 is a prime.

It is a super-2 number, since 2×82768369² = 13701205813840322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82768339) 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 3 ways as a sum of consecutive naturals, for example, 37869 + ... + 39994.

It is an arithmetic number, because the mean of its divisors is an integer number (20711824).

Almost surely, 2^82768369 is an apocalyptic number.

It is an amenable number.

82768369 is a deficient number, since it is larger than the sum of its proper divisors (78927).

82768369 is a wasteful number, since it uses less digits than its factorization.

82768369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78926.

The product of its digits is 870912, while the sum is 49.

The square root of 82768369 is about 9097.7122948574. The cubic root of 82768369 is about 435.8009096505.

It can be divided in two parts, 827 and 68369, that added together give a palindrome (69196).

The spelling of 82768369 in words is "eighty-two million, seven hundred sixty-eight thousand, three hundred sixty-nine".