68036887 has 2 divisors, whose sum is σ = 68036888. Its totient is φ = 68036886.

The previous prime is 68036849. The next prime is 68036897. The reversal of 68036887 is 78863086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68036887 - 2²³ = 59648279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68036807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34018443 + 34018444.

It is an arithmetic number, because the mean of its divisors is an integer number (34018444).

Almost surely, 2^68036887 is an apocalyptic number.

68036887 is a deficient number, since it is larger than the sum of its proper divisors (1).

68036887 is an equidigital number, since it uses as much as digits as its factorization.

68036887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 68036887 is about 8248.4475509031. The cubic root of 68036887 is about 408.2393007780.

The spelling of 68036887 in words is "sixty-eight million, thirty-six thousand, eight hundred eighty-seven".