68384897 has 16 divisors (see below), whose sum is σ = 82985472. Its totient is φ = 55011840.

The previous prime is 68384881. The next prime is 68384909. The reversal of 68384897 is 79848386.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68384897 - 2⁴ = 68384881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68384297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61448 + ... + 62550.

It is an arithmetic number, because the mean of its divisors is an integer number (5186592).

Almost surely, 2^68384897 is an apocalyptic number.

It is an amenable number.

68384897 is a deficient number, since it is larger than the sum of its proper divisors (14600575).

68384897 is a wasteful number, since it uses less digits than its factorization.

68384897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its digits is 2322432, while the sum is 53.

The square root of 68384897 is about 8269.5161285289. The cubic root of 68384897 is about 408.9341680220.

The spelling of 68384897 in words is "sixty-eight million, three hundred eighty-four thousand, eight hundred ninety-seven".