82766429 has 4 divisors (see below), whose sum is σ = 82872384. Its totient is φ = 82660476.

The previous prime is 82766423. The next prime is 82766441. The reversal of 82766429 is 92466728.

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 a de Polignac number, because none of the positive numbers 2^k-82766429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82766429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82766423) 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, 51797 + ... + 53370.

It is an arithmetic number, because the mean of its divisors is an integer number (20718096).

Almost surely, 2^82766429 is an apocalyptic number.

It is an amenable number.

82766429 is a deficient number, since it is larger than the sum of its proper divisors (105955).

82766429 is a wasteful number, since it uses less digits than its factorization.

82766429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105954.

The product of its digits is 290304, while the sum is 44.

The square root of 82766429 is about 9097.6056740221. The cubic root of 82766429 is about 435.7975047250.

The spelling of 82766429 in words is "eighty-two million, seven hundred sixty-six thousand, four hundred twenty-nine".