68404811 has 2 divisors, whose sum is σ = 68404812. Its totient is φ = 68404810.

The previous prime is 68404799. The next prime is 68404837. The reversal of 68404811 is 11840486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68404811 - 2¹⁴ = 68388427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68404891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34202405 + 34202406.

It is an arithmetic number, because the mean of its divisors is an integer number (34202406).

Almost surely, 2^68404811 is an apocalyptic number.

68404811 is a deficient number, since it is larger than the sum of its proper divisors (1).

68404811 is an equidigital number, since it uses as much as digits as its factorization.

68404811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 68404811 is about 8270.7201016598. The cubic root of 68404811 is about 408.9738586800.

The spelling of 68404811 in words is "sixty-eight million, four hundred four thousand, eight hundred eleven".