68087263 has 2 divisors, whose sum is σ = 68087264. Its totient is φ = 68087262.

The previous prime is 68087233. The next prime is 68087269. The reversal of 68087263 is 36278086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68087263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68087269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34043631 + 34043632.

It is an arithmetic number, because the mean of its divisors is an integer number (34043632).

Almost surely, 2^68087263 is an apocalyptic number.

68087263 is a deficient number, since it is larger than the sum of its proper divisors (1).

68087263 is an equidigital number, since it uses as much as digits as its factorization.

68087263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68087263 is about 8251.5006513967. The cubic root of 68087263 is about 408.3400323580.

The spelling of 68087263 in words is "sixty-eight million, eighty-seven thousand, two hundred sixty-three".