68757520759 has 2 divisors, whose sum is σ = 68757520760. Its totient is φ = 68757520758.

The previous prime is 68757520753. The next prime is 68757520861. The reversal of 68757520759 is 95702575786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68757520759 - 2¹⁵ = 68757487991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68757520697 and 68757520706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68757520753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34378760379 + 34378760380.

It is an arithmetic number, because the mean of its divisors is an integer number (34378760380).

Almost surely, 2^68757520759 is an apocalyptic number.

68757520759 is a deficient number, since it is larger than the sum of its proper divisors (1).

68757520759 is an equidigital number, since it uses as much as digits as its factorization.

68757520759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044000, while the sum is 61.

The spelling of 68757520759 in words is "sixty-eight billion, seven hundred fifty-seven million, five hundred twenty thousand, seven hundred fifty-nine".