68188007 has 2 divisors, whose sum is σ = 68188008. Its totient is φ = 68188006.

The previous prime is 68187991. The next prime is 68188009. The reversal of 68188007 is 70088186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68188007 - 2⁴ = 68187991 is a prime.

Together with 68188009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68188009) 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, 34094003 + 34094004.

It is an arithmetic number, because the mean of its divisors is an integer number (34094004).

Almost surely, 2^68188007 is an apocalyptic number.

68188007 is a deficient number, since it is larger than the sum of its proper divisors (1).

68188007 is an equidigital number, since it uses as much as digits as its factorization.

68188007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 68188007 is about 8257.6029814953. The cubic root of 68188007 is about 408.5413305817.

It can be divided in two parts, 681 and 88007, that added together give a palindrome (88688).

The spelling of 68188007 in words is "sixty-eight million, one hundred eighty-eight thousand, seven".