82004726345 has 4 divisors (see below), whose sum is σ = 98405671620. Its totient is φ = 65603781072.

The previous prime is 82004726341. The next prime is 82004726383. The reversal of 82004726345 is 54362740028.

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 23436854281 + 58567872064 = 153091^2 + 242008^2 .

It is a cyclic number.

It is not a de Polignac number, because 82004726345 - 2² = 82004726341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82004726341) 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, 8200472630 + ... + 8200472639.

It is an arithmetic number, because the mean of its divisors is an integer number (24601417905).

Almost surely, 2^82004726345 is an apocalyptic number.

It is an amenable number.

82004726345 is a deficient number, since it is larger than the sum of its proper divisors (16400945275).

82004726345 is a wasteful number, since it uses less digits than its factorization.

82004726345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16400945274.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 82004726345 in words is "eighty-two billion, four million, seven hundred twenty-six thousand, three hundred forty-five".