68227798087 has 2 divisors, whose sum is σ = 68227798088. Its totient is φ = 68227798086.

The previous prime is 68227798061. The next prime is 68227798109. The reversal of 68227798087 is 78089772286.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68227798087 - 2⁷ = 68227797959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68227798787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34113899043 + 34113899044.

It is an arithmetic number, because the mean of its divisors is an integer number (34113899044).

Almost surely, 2^68227798087 is an apocalyptic number.

68227798087 is a deficient number, since it is larger than the sum of its proper divisors (1).

68227798087 is an equidigital number, since it uses as much as digits as its factorization.

68227798087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37933056, while the sum is 64.

The spelling of 68227798087 in words is "sixty-eight billion, two hundred twenty-seven million, seven hundred ninety-eight thousand, eighty-seven".