68582861 has 2 divisors, whose sum is σ = 68582862. Its totient is φ = 68582860.

The previous prime is 68582831. The next prime is 68582863. The reversal of 68582861 is 16828586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41344900 + 27237961 = 6430^2 + 5219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68582861 is a prime.

Together with 68582863, 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 (68582863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34291430 + 34291431.

It is an arithmetic number, because the mean of its divisors is an integer number (34291431).

Almost surely, 2^68582861 is an apocalyptic number.

It is an amenable number.

68582861 is a deficient number, since it is larger than the sum of its proper divisors (1).

68582861 is an equidigital number, since it uses as much as digits as its factorization.

68582861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The square root of 68582861 is about 8281.4769817950. The cubic root of 68582861 is about 409.3283888504.

The spelling of 68582861 in words is "sixty-eight million, five hundred eighty-two thousand, eight hundred sixty-one".