68500577 has 2 divisors, whose sum is σ = 68500578. Its totient is φ = 68500576.

The previous prime is 68500571. The next prime is 68500631. The reversal of 68500577 is 77500586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65674816 + 2825761 = 8104^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 68500577 - 2¹⁴ = 68484193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68500577.

It is not a weakly prime, because it can be changed into another prime (68500571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34250288 + 34250289.

It is an arithmetic number, because the mean of its divisors is an integer number (34250289).

Almost surely, 2^68500577 is an apocalyptic number.

It is an amenable number.

68500577 is a deficient number, since it is larger than the sum of its proper divisors (1).

68500577 is an equidigital number, since it uses as much as digits as its factorization.

68500577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 68500577 is about 8276.5075363948. The cubic root of 68500577 is about 409.1646226869.

Subtracting 68500577 from its reverse (77500586), we obtain a palindrome (9000009).

The spelling of 68500577 in words is "sixty-eight million, five hundred thousand, five hundred seventy-seven".