68586797 has 2 divisors, whose sum is σ = 68586798. Its totient is φ = 68586796.

The previous prime is 68586779. The next prime is 68586799. The reversal of 68586797 is 79768586.

It is a happy number.

Together with previous prime (68586779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60124516 + 8462281 = 7754^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 68586797 - 2¹⁸ = 68324653 is a prime.

Together with 68586799, 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 (68586799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34293398 + 34293399.

It is an arithmetic number, because the mean of its divisors is an integer number (34293399).

Almost surely, 2^68586797 is an apocalyptic number.

It is an amenable number.

68586797 is a deficient number, since it is larger than the sum of its proper divisors (1).

68586797 is an equidigital number, since it uses as much as digits as its factorization.

68586797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 56.

The square root of 68586797 is about 8281.7146171551. The cubic root of 68586797 is about 409.3362192116.

The spelling of 68586797 in words is "sixty-eight million, five hundred eighty-six thousand, seven hundred ninety-seven".