68698811 has 2 divisors, whose sum is σ = 68698812. Its totient is φ = 68698810.

The previous prime is 68698807. The next prime is 68698823. The reversal of 68698811 is 11889686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68698811 - 2² = 68698807 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68698841) 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, 34349405 + 34349406.

It is an arithmetic number, because the mean of its divisors is an integer number (34349406).

Almost surely, 2^68698811 is an apocalyptic number.

68698811 is a deficient number, since it is larger than the sum of its proper divisors (1).

68698811 is an equidigital number, since it uses as much as digits as its factorization.

68698811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 47.

The square root of 68698811 is about 8288.4745882460. The cubic root of 68698811 is about 409.5589367550.

The spelling of 68698811 in words is "sixty-eight million, six hundred ninety-eight thousand, eight hundred eleven".