82004527697 has 4 divisors (see below), whose sum is σ = 82013001060. Its totient is φ = 81996054336.

The previous prime is 82004527663. The next prime is 82004527723. The reversal of 82004527697 is 79672540028.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50229326161 + 31775201536 = 224119^2 + 178256^2 .

It is a cyclic number.

It is not a de Polignac number, because 82004527697 - 2³⁴ = 64824658513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82004527897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4222148 + ... + 4241525.

It is an arithmetic number, because the mean of its divisors is an integer number (20503250265).

Almost surely, 2^82004527697 is an apocalyptic number.

It is an amenable number.

82004527697 is a deficient number, since it is larger than the sum of its proper divisors (8473363).

82004527697 is an equidigital number, since it uses as much as digits as its factorization.

82004527697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473362.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 82004527697 in words is "eighty-two billion, four million, five hundred twenty-seven thousand, six hundred ninety-seven".