67968435959 has 8 divisors (see below), whose sum is σ = 70315864320. Its totient is φ = 65621253600.

The previous prime is 67968435949. The next prime is 67968436031. The reversal of 67968435959 is 95953486976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67968435959 - 2²⁸ = 67700000503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67968435892 and 67968435901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67968435929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634154 + ... + 733544.

It is an arithmetic number, because the mean of its divisors is an integer number (8789483040).

Almost surely, 2^67968435959 is an apocalyptic number.

67968435959 is a deficient number, since it is larger than the sum of its proper divisors (2347428361).

67968435959 is a wasteful number, since it uses less digits than its factorization.

67968435959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123001.

The product of its digits is 440899200, while the sum is 71.

The spelling of 67968435959 in words is "sixty-seven billion, nine hundred sixty-eight million, four hundred thirty-five thousand, nine hundred fifty-nine".