67898998759 has 2 divisors, whose sum is σ = 67898998760. Its totient is φ = 67898998758.

The previous prime is 67898998729. The next prime is 67898998771. The reversal of 67898998759 is 95789989876.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67898998759 is a prime.

It is a super-2 number, since 2×67898998759² (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67898998729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33949499379 + 33949499380.

It is an arithmetic number, because the mean of its divisors is an integer number (33949499380).

Almost surely, 2^67898998759 is an apocalyptic number.

67898998759 is a deficient number, since it is larger than the sum of its proper divisors (1).

67898998759 is an equidigital number, since it uses as much as digits as its factorization.

67898998759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4938071040, while the sum is 85.

The spelling of 67898998759 in words is "sixty-seven billion, eight hundred ninety-eight million, nine hundred ninety-eight thousand, seven hundred fifty-nine".