68485211387 has 2 divisors, whose sum is σ = 68485211388. Its totient is φ = 68485211386.

The previous prime is 68485211357. The next prime is 68485211393. The reversal of 68485211387 is 78311258486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68485211387 - 2³² = 64190244091 is a prime.

It is not a weakly prime, because it can be changed into another prime (68485211357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34242605693 + 34242605694.

It is an arithmetic number, because the mean of its divisors is an integer number (34242605694).

Almost surely, 2^68485211387 is an apocalyptic number.

68485211387 is a deficient number, since it is larger than the sum of its proper divisors (1).

68485211387 is an equidigital number, since it uses as much as digits as its factorization.

68485211387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 53.

The spelling of 68485211387 in words is "sixty-eight billion, four hundred eighty-five million, two hundred eleven thousand, three hundred eighty-seven".