68821000627 has 2 divisors, whose sum is σ = 68821000628. Its totient is φ = 68821000626.

The previous prime is 68821000559. The next prime is 68821000673. The reversal of 68821000627 is 72600012886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68821000627 - 2¹¹ = 68820998579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68821000627.

It is not a weakly prime, because it can be changed into another prime (68821000687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34410500313 + 34410500314.

It is an arithmetic number, because the mean of its divisors is an integer number (34410500314).

Almost surely, 2^68821000627 is an apocalyptic number.

68821000627 is a deficient number, since it is larger than the sum of its proper divisors (1).

68821000627 is an equidigital number, since it uses as much as digits as its factorization.

68821000627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 68821000627 in words is "sixty-eight billion, eight hundred twenty-one million, six hundred twenty-seven", and thus it is an aban number.