68286847 has 2 divisors, whose sum is σ = 68286848. Its totient is φ = 68286846.

The previous prime is 68286797. The next prime is 68286857. The reversal of 68286847 is 74868286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68286847 - 2¹⁵ = 68254079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68286847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68286857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34143423 + 34143424.

It is an arithmetic number, because the mean of its divisors is an integer number (34143424).

Almost surely, 2^68286847 is an apocalyptic number.

68286847 is a deficient number, since it is larger than the sum of its proper divisors (1).

68286847 is an equidigital number, since it uses as much as digits as its factorization.

68286847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1032192, while the sum is 49.

The square root of 68286847 is about 8263.5856019043. The cubic root of 68286847 is about 408.7386317980.

The spelling of 68286847 in words is "sixty-eight million, two hundred eighty-six thousand, eight hundred forty-seven".