82108770529 has 4 divisors (see below), whose sum is σ = 82128517120. Its totient is φ = 82089023940.

The previous prime is 82108770521. The next prime is 82108770563. The reversal of 82108770529 is 92507780128.

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 82108770529 - 2³ = 82108770521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82108770521) 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, 9867057 + ... + 9875374.

It is an arithmetic number, because the mean of its divisors is an integer number (20532129280).

Almost surely, 2^82108770529 is an apocalyptic number.

It is an amenable number.

82108770529 is a deficient number, since it is larger than the sum of its proper divisors (19746591).

82108770529 is a wasteful number, since it uses less digits than its factorization.

82108770529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19746590.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 82108770529 in words is "eighty-two billion, one hundred eight million, seven hundred seventy thousand, five hundred twenty-nine".