82568923207 has 2 divisors, whose sum is σ = 82568923208. Its totient is φ = 82568923206.

The previous prime is 82568923189. The next prime is 82568923223. The reversal of 82568923207 is 70232986528.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82568923207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82568929207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41284461603 + 41284461604.

It is an arithmetic number, because the mean of its divisors is an integer number (41284461604).

Almost surely, 2^82568923207 is an apocalyptic number.

82568923207 is a deficient number, since it is larger than the sum of its proper divisors (1).

82568923207 is an equidigital number, since it uses as much as digits as its factorization.

82568923207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 82568923207 in words is "eighty-two billion, five hundred sixty-eight million, nine hundred twenty-three thousand, two hundred seven".