1968807678 has 8 divisors (see below), whose sum is σ = 3937615368. Its totient is φ = 656269224.

The previous prime is 1968807677. The next prime is 1968807679. The reversal of 1968807678 is 8767088691.

It is an interprime number because it is at equal distance from previous prime (1968807677) and next prime (1968807679).

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

1968807678 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968807677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164067301 + ... + 164067312.

It is an arithmetic number, because the mean of its divisors is an integer number (492201921).

Almost surely, 2^1968807678 is an apocalyptic number.

1968807678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1968807678 is a wasteful number, since it uses less digits than its factorization.

1968807678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328134618.

The product of its (nonzero) digits is 8128512, while the sum is 60.

The square root of 1968807678 is about 44371.2483259148. The cubic root of 1968807678 is about 1253.3367230713.

The spelling of 1968807678 in words is "one billion, nine hundred sixty-eight million, eight hundred seven thousand, six hundred seventy-eight".