68446678 has 8 divisors (see below), whose sum is σ = 103202568. Its totient is φ = 34045824.

The previous prime is 68446673. The next prime is 68446681. The reversal of 68446678 is 87664486.

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 (68446673) 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, 88276 + ... + 89047.

It is an arithmetic number, because the mean of its divisors is an integer number (12900321).

Almost surely, 2^68446678 is an apocalyptic number.

68446678 is a deficient number, since it is larger than the sum of its proper divisors (34755890).

68446678 is a wasteful number, since it uses less digits than its factorization.

68446678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177518.

The product of its digits is 1548288, while the sum is 49.

The square root of 68446678 is about 8273.2507516695. The cubic root of 68446678 is about 409.0572788187.

The spelling of 68446678 in words is "sixty-eight million, four hundred forty-six thousand, six hundred seventy-eight".