68359897 has 2 divisors, whose sum is σ = 68359898. Its totient is φ = 68359896.

The previous prime is 68359847. The next prime is 68359913. The reversal of 68359897 is 79895386.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62425801 + 5934096 = 7901^2 + 2436^2 .

It is a cyclic number.

It is not a de Polignac number, because 68359897 - 2⁷ = 68359769 is a prime.

It is not a weakly prime, because it can be changed into another prime (68359807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34179948 + 34179949.

It is an arithmetic number, because the mean of its divisors is an integer number (34179949).

Almost surely, 2^68359897 is an apocalyptic number.

It is an amenable number.

68359897 is a deficient number, since it is larger than the sum of its proper divisors (1).

68359897 is an equidigital number, since it uses as much as digits as its factorization.

68359897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 68359897 is about 8268.0044146094. The cubic root of 68359897 is about 408.8843295308.

The spelling of 68359897 in words is "sixty-eight million, three hundred fifty-nine thousand, eight hundred ninety-seven".