68880611 has 2 divisors, whose sum is σ = 68880612. Its totient is φ = 68880610.

The previous prime is 68880599. The next prime is 68880649. The reversal of 68880611 is 11608886.

It is an a-pointer prime, because the next prime (68880649) can be obtained adding 68880611 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68880611 - 2⁶ = 68880547 is a prime.

It is not a weakly prime, because it can be changed into another prime (68880211) 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, 34440305 + 34440306.

It is an arithmetic number, because the mean of its divisors is an integer number (34440306).

Almost surely, 2^68880611 is an apocalyptic number.

68880611 is a deficient number, since it is larger than the sum of its proper divisors (1).

68880611 is an equidigital number, since it uses as much as digits as its factorization.

68880611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 68880611 is about 8299.4343783176. The cubic root of 68880611 is about 409.9198951177.

The spelling of 68880611 in words is "sixty-eight million, eight hundred eighty thousand, six hundred eleven".