68795953 has 2 divisors, whose sum is σ = 68795954. Its totient is φ = 68795952.

The previous prime is 68795939. The next prime is 68795959. The reversal of 68795953 is 35959786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36397089 + 32398864 = 6033^2 + 5692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68795953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68795953.

It is not a weakly prime, because it can be changed into another prime (68795959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34397976 + 34397977.

It is an arithmetic number, because the mean of its divisors is an integer number (34397977).

Almost surely, 2^68795953 is an apocalyptic number.

It is an amenable number.

68795953 is a deficient number, since it is larger than the sum of its proper divisors (1).

68795953 is an equidigital number, since it uses as much as digits as its factorization.

68795953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 52.

The square root of 68795953 is about 8294.3325831558. The cubic root of 68795953 is about 409.7518883546.

The spelling of 68795953 in words is "sixty-eight million, seven hundred ninety-five thousand, nine hundred fifty-three".