68611795807 has 2 divisors, whose sum is σ = 68611795808. Its totient is φ = 68611795806.

The previous prime is 68611795801. The next prime is 68611795817. The reversal of 68611795807 is 70859711686.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68611795807 - 2²⁷ = 68477578079 is a prime.

It is a super-2 number, since 2×68611795807² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68611795801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34305897903 + 34305897904.

It is an arithmetic number, because the mean of its divisors is an integer number (34305897904).

Almost surely, 2^68611795807 is an apocalyptic number.

68611795807 is a deficient number, since it is larger than the sum of its proper divisors (1).

68611795807 is an equidigital number, since it uses as much as digits as its factorization.

68611795807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 58.

The spelling of 68611795807 in words is "sixty-eight billion, six hundred eleven million, seven hundred ninety-five thousand, eight hundred seven".