1068936887 has 2 divisors, whose sum is σ = 1068936888. Its totient is φ = 1068936886.

The previous prime is 1068936851. The next prime is 1068936889. The reversal of 1068936887 is 7886398601.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7886398601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1068936887 - 2¹² = 1068932791 is a prime.

It is a super-2 number, since 2×1068936887² = 2285252136778501538, which contains 22 as substring.

Together with 1068936889, 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 (1068936889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534468443 + 534468444.

It is an arithmetic number, because the mean of its divisors is an integer number (534468444).

Almost surely, 2^1068936887 is an apocalyptic number.

1068936887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068936887 is an equidigital number, since it uses as much as digits as its factorization.

1068936887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 1068936887 is about 32694.6002728279. The cubic root of 1068936887 is about 1022.4702675660.

The spelling of 1068936887 in words is "one billion, sixty-eight million, nine hundred thirty-six thousand, eight hundred eighty-seven".