68995867 has 2 divisors, whose sum is σ = 68995868. Its totient is φ = 68995866.

The previous prime is 68995853. The next prime is 68995873. The reversal of 68995867 is 76859986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68995867 - 2¹¹ = 68993819 is a prime.

It is not a weakly prime, because it can be changed into another prime (68995807) 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, 34497933 + 34497934.

It is an arithmetic number, because the mean of its divisors is an integer number (34497934).

Almost surely, 2^68995867 is an apocalyptic number.

68995867 is a deficient number, since it is larger than the sum of its proper divisors (1).

68995867 is an equidigital number, since it uses as much as digits as its factorization.

68995867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 58.

The square root of 68995867 is about 8306.3750818272. The cubic root of 68995867 is about 410.1484035449.

The spelling of 68995867 in words is "sixty-eight million, nine hundred ninety-five thousand, eight hundred sixty-seven".