68610880859 has 2 divisors, whose sum is σ = 68610880860. Its totient is φ = 68610880858.

The previous prime is 68610880783. The next prime is 68610880901. The reversal of 68610880859 is 95808801686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68610880859 - 2¹⁶ = 68610815323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68610880798 and 68610880807.

It is not a weakly prime, because it can be changed into another prime (68610880759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34305440429 + 34305440430.

It is an arithmetic number, because the mean of its divisors is an integer number (34305440430).

Almost surely, 2^68610880859 is an apocalyptic number.

68610880859 is a deficient number, since it is larger than the sum of its proper divisors (1).

68610880859 is an equidigital number, since it uses as much as digits as its factorization.

68610880859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 59.

The spelling of 68610880859 in words is "sixty-eight billion, six hundred ten million, eight hundred eighty thousand, eight hundred fifty-nine".