68880635 has 8 divisors (see below), whose sum is σ = 82874880. Its totient is φ = 54959104.

The previous prime is 68880611. The next prime is 68880649. The reversal of 68880635 is 53608886.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68880635 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16070 + ... + 19899.

It is an arithmetic number, because the mean of its divisors is an integer number (10359360).

Almost surely, 2^68880635 is an apocalyptic number.

68880635 is a deficient number, since it is larger than the sum of its proper divisors (13994245).

68880635 is a wasteful number, since it uses less digits than its factorization.

68880635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36357.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 68880635 is about 8299.4358241991. The cubic root of 68880635 is about 409.9199427270.

The spelling of 68880635 in words is "sixty-eight million, eight hundred eighty thousand, six hundred thirty-five".