68957678 has 16 divisors (see below), whose sum is σ = 110911680. Its totient is φ = 32038656.

The previous prime is 68957663. The next prime is 68957689. The reversal of 68957678 is 87675986.

It is a happy number.

It is a super-2 number, since 2×68957678² = 9510322710303368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (6931980).

Almost surely, 2^68957678 is an apocalyptic number.

68957678 is a deficient number, since it is larger than the sum of its proper divisors (41954002).

68957678 is a wasteful number, since it uses less digits than its factorization.

68957678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25771.

The product of its digits is 5080320, while the sum is 56.

The square root of 68957678 is about 8304.0759871282. The cubic root of 68957678 is about 410.0727176196.

The spelling of 68957678 in words is "sixty-eight million, nine hundred fifty-seven thousand, six hundred seventy-eight".