82656980564290 has 32 divisors (see below), whose sum is σ = 162531510470784. Its totient is φ = 30015739818240.

The previous prime is 82656980564233. The next prime is 82656980564303. The reversal of 82656980564290 is 9246508965628.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516719959 + ... + 516879898.

It is an arithmetic number, because the mean of its divisors is an integer number (5079109702212).

Almost surely, 2^{82656980564290} is an apocalyptic number.

82656980564290 is a deficient number, since it is larger than the sum of its proper divisors (79874529906494).

82656980564290 is a wasteful number, since it uses less digits than its factorization.

82656980564290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033600602.

The product of its (nonzero) digits is 447897600, while the sum is 70.

The spelling of 82656980564290 in words is "eighty-two trillion, six hundred fifty-six billion, nine hundred eighty million, five hundred sixty-four thousand, two hundred ninety".