67690808689 has 8 divisors (see below), whose sum is σ = 77375755008. Its totient is φ = 58009570080.

The previous prime is 67690808683. The next prime is 67690808707. The reversal of 67690808689 is 98680809676.

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

It is not a de Polignac number, because 67690808689 - 2⁹ = 67690808177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67690808683) 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, 887692 + ... + 960925.

It is an arithmetic number, because the mean of its divisors is an integer number (9671969376).

Almost surely, 2^67690808689 is an apocalyptic number.

It is an amenable number.

67690808689 is a deficient number, since it is larger than the sum of its proper divisors (9684946319).

67690808689 is a wasteful number, since it uses less digits than its factorization.

67690808689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853855.

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 67690808689 in words is "sixty-seven billion, six hundred ninety million, eight hundred eight thousand, six hundred eighty-nine".