82282206605 has 4 divisors (see below), whose sum is σ = 98738647932. Its totient is φ = 65825765280.

The previous prime is 82282206593. The next prime is 82282206647. The reversal of 82282206605 is 50660228228.

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 18148670089 + 64133536516 = 134717^2 + 253246^2 .

It is not a de Polignac number, because 82282206605 - 2¹⁸ = 82281944461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228220656 + ... + 8228220665.

It is an arithmetic number, because the mean of its divisors is an integer number (24684661983).

Almost surely, 2^82282206605 is an apocalyptic number.

It is an amenable number.

82282206605 is a deficient number, since it is larger than the sum of its proper divisors (16456441327).

82282206605 is a wasteful number, since it uses less digits than its factorization.

82282206605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16456441326.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 82282206605 in words is "eighty-two billion, two hundred eighty-two million, two hundred six thousand, six hundred five".