68677678 has 8 divisors (see below), whose sum is σ = 107495568. Its totient is φ = 32845824.

The previous prime is 68677673. The next prime is 68677691. The reversal of 68677678 is 87677686.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68677673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746451 + ... + 746542.

It is an arithmetic number, because the mean of its divisors is an integer number (13436946).

Almost surely, 2^68677678 is an apocalyptic number.

68677678 is a deficient number, since it is larger than the sum of its proper divisors (38817890).

68677678 is a wasteful number, since it uses less digits than its factorization.

68677678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493018.

The product of its digits is 4741632, while the sum is 55.

The square root of 68677678 is about 8287.1996476494. The cubic root of 68677678 is about 409.5169365295.

The spelling of 68677678 in words is "sixty-eight million, six hundred seventy-seven thousand, six hundred seventy-eight".