68840682007 has 2 divisors, whose sum is σ = 68840682008. Its totient is φ = 68840682006.

The previous prime is 68840681971. The next prime is 68840682017. The reversal of 68840682007 is 70028604886.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68840682007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68840682017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34420341003 + 34420341004.

It is an arithmetic number, because the mean of its divisors is an integer number (34420341004).

Almost surely, 2^68840682007 is an apocalyptic number.

68840682007 is a deficient number, since it is larger than the sum of its proper divisors (1).

68840682007 is an equidigital number, since it uses as much as digits as its factorization.

68840682007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 68840682007 in words is "sixty-eight billion, eight hundred forty million, six hundred eighty-two thousand, seven".