82029708853 has 4 divisors (see below), whose sum is σ = 82030282540. Its totient is φ = 82029135168.

The previous prime is 82029708823. The next prime is 82029708857. The reversal of 82029708853 is 35880792028.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 37852815364 + 44176893489 = 194558^2 + 210183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82029708853 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 82029708853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82029708857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119743 + ... + 422371.

It is an arithmetic number, because the mean of its divisors is an integer number (20507570635).

Almost surely, 2^82029708853 is an apocalyptic number.

It is an amenable number.

82029708853 is a deficient number, since it is larger than the sum of its proper divisors (573687).

82029708853 is a wasteful number, since it uses less digits than its factorization.

82029708853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573686.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 82029708853 in words is "eighty-two billion, twenty-nine million, seven hundred eight thousand, eight hundred fifty-three".