68575860497387 has 2 divisors, whose sum is σ = 68575860497388. Its totient is φ = 68575860497386.

The previous prime is 68575860497381. The next prime is 68575860497411. The reversal of 68575860497387 is 78379406857586.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68575860497387 is a prime.

It is not a weakly prime, because it can be changed into another prime (68575860497381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34287930248693 + 34287930248694.

It is an arithmetic number, because the mean of its divisors is an integer number (34287930248694).

Almost surely, 2^{68575860497387} is an apocalyptic number.

68575860497387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68575860497387 is an equidigital number, since it uses as much as digits as its factorization.

68575860497387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17069875200, while the sum is 83.

The spelling of 68575860497387 in words is "sixty-eight trillion, five hundred seventy-five billion, eight hundred sixty million, four hundred ninety-seven thousand, three hundred eighty-seven".