82055769 has 4 divisors (see below), whose sum is σ = 109407696. Its totient is φ = 54703844.

The previous prime is 82055759. The next prime is 82055773. The reversal of 82055769 is 96755028.

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 82055769 - 2⁹ = 82055257 is a prime.

It is a super-2 number, since 2×82055769² = 13466298452362722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82055769.

It is not an unprimeable number, because it can be changed into a prime (82055759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13675959 + ... + 13675964.

It is an arithmetic number, because the mean of its divisors is an integer number (27351924).

Almost surely, 2^82055769 is an apocalyptic number.

It is an amenable number.

82055769 is a deficient number, since it is larger than the sum of its proper divisors (27351927).

82055769 is a wasteful number, since it uses less digits than its factorization.

82055769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27351926.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 82055769 is about 9058.4639426340. The cubic root of 82055769 is about 434.5466170652.

The spelling of 82055769 in words is "eighty-two million, fifty-five thousand, seven hundred sixty-nine".