68300178106891 has 2 divisors, whose sum is σ = 68300178106892. Its totient is φ = 68300178106890.

The previous prime is 68300178106879. The next prime is 68300178106949. The reversal of 68300178106891 is 19860187100386.

It is an a-pointer prime, because the next prime (68300178106949) can be obtained adding 68300178106891 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68300178106891 - 2¹⁷ = 68300177975819 is a prime.

It is not a weakly prime, because it can be changed into another prime (68300178106991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34150089053445 + 34150089053446.

It is an arithmetic number, because the mean of its divisors is an integer number (34150089053446).

Almost surely, 2^{68300178106891} is an apocalyptic number.

68300178106891 is a deficient number, since it is larger than the sum of its proper divisors (1).

68300178106891 is an equidigital number, since it uses as much as digits as its factorization.

68300178106891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 68300178106891 in words is "sixty-eight trillion, three hundred billion, one hundred seventy-eight million, one hundred six thousand, eight hundred ninety-one".