82704908611583 has 4 divisors (see below), whose sum is σ = 85372808889408. Its totient is φ = 80037008333760.

The previous prime is 82704908611529. The next prime is 82704908611597. The reversal of 82704908611583 is 38511680940728.

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

It is a cyclic number.

It is not a de Polignac number, because 82704908611583 - 2⁴² = 78306862100479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82704908311583) 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, 1333950138866 + ... + 1333950138927.

It is an arithmetic number, because the mean of its divisors is an integer number (21343202222352).

It is a 2-persistent number, because it is pandigital, and so is 2⋅82704908611583 = 165409817223166, but 3⋅82704908611583 = 248114725834749 is not.

Almost surely, 2^{82704908611583} is an apocalyptic number.

82704908611583 is a deficient number, since it is larger than the sum of its proper divisors (2667900277825).

82704908611583 is a wasteful number, since it uses less digits than its factorization.

82704908611583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667900277824.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 82704908611583 in words is "eighty-two trillion, seven hundred four billion, nine hundred eight million, six hundred eleven thousand, five hundred eighty-three".