82568616623 has 2 divisors, whose sum is σ = 82568616624. Its totient is φ = 82568616622.

The previous prime is 82568616583. The next prime is 82568616629. The reversal of 82568616623 is 32661686528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82568616623 - 2¹⁴ = 82568600239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82568616629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41284308311 + 41284308312.

It is an arithmetic number, because the mean of its divisors is an integer number (41284308312).

Almost surely, 2^82568616623 is an apocalyptic number.

82568616623 is a deficient number, since it is larger than the sum of its proper divisors (1).

82568616623 is an equidigital number, since it uses as much as digits as its factorization.

82568616623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 53.

The spelling of 82568616623 in words is "eighty-two billion, five hundred sixty-eight million, six hundred sixteen thousand, six hundred twenty-three".