68046787 has 2 divisors, whose sum is σ = 68046788. Its totient is φ = 68046786.

The previous prime is 68046773. The next prime is 68046793. The reversal of 68046787 is 78764086.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68046787 is a prime.

It is not a weakly prime, because it can be changed into another prime (68046707) 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, 34023393 + 34023394.

It is an arithmetic number, because the mean of its divisors is an integer number (34023394).

Almost surely, 2^68046787 is an apocalyptic number.

68046787 is a deficient number, since it is larger than the sum of its proper divisors (1).

68046787 is an equidigital number, since it uses as much as digits as its factorization.

68046787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 68046787 is about 8249.0476420009. The cubic root of 68046787 is about 408.2591006897.

The spelling of 68046787 in words is "sixty-eight million, forty-six thousand, seven hundred eighty-seven".