68484679 has 2 divisors, whose sum is σ = 68484680. Its totient is φ = 68484678.

The previous prime is 68484677. The next prime is 68484701. The reversal of 68484679 is 97648486.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68484679 - 2¹ = 68484677 is a prime.

Together with 68484677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68484671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34242339 + 34242340.

It is an arithmetic number, because the mean of its divisors is an integer number (34242340).

Almost surely, 2^68484679 is an apocalyptic number.

68484679 is a deficient number, since it is larger than the sum of its proper divisors (1).

68484679 is an equidigital number, since it uses as much as digits as its factorization.

68484679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 52.

The square root of 68484679 is about 8275.5470514039. The cubic root of 68484679 is about 409.1329664939.

The spelling of 68484679 in words is "sixty-eight million, four hundred eighty-four thousand, six hundred seventy-nine".