1068400087 has 2 divisors, whose sum is σ = 1068400088. Its totient is φ = 1068400086.

The previous prime is 1068400063. The next prime is 1068400093. The reversal of 1068400087 is 7800048601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1068400087 - 2¹⁹ = 1067875799 is a prime.

It is a super-2 number, since 2×1068400087² = 2282957491803215138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068403087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534200043 + 534200044.

It is an arithmetic number, because the mean of its divisors is an integer number (534200044).

Almost surely, 2^1068400087 is an apocalyptic number.

1068400087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068400087 is an equidigital number, since it uses as much as digits as its factorization.

1068400087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1068400087 is about 32686.3899352620. The cubic root of 1068400087 is about 1022.2990837952.

Adding to 1068400087 its reverse (7800048601), we get a palindrome (8868448688).

The spelling of 1068400087 in words is "one billion, sixty-eight million, four hundred thousand, eighty-seven".