68408611 has 2 divisors, whose sum is σ = 68408612. Its totient is φ = 68408610.

The previous prime is 68408551. The next prime is 68408617. The reversal of 68408611 is 11680486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68408611 - 2¹³ = 68400419 is a prime.

It is not a weakly prime, because it can be changed into another prime (68408617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34204305 + 34204306.

It is an arithmetic number, because the mean of its divisors is an integer number (34204306).

Almost surely, 2^68408611 is an apocalyptic number.

68408611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68408611 is an equidigital number, since it uses as much as digits as its factorization.

68408611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 68408611 is about 8270.9498245365. The cubic root of 68408611 is about 408.9814315970.

It can be divided in two parts, 6840 and 8611, that added together give a palindrome (15451).

The spelling of 68408611 in words is "sixty-eight million, four hundred eight thousand, six hundred eleven".