68768785 has 8 divisors (see below), whose sum is σ = 82878120. Its totient is φ = 54777984.

The previous prime is 68768759. The next prime is 68768803. The reversal of 68768785 is 58786786.

It can be written as a sum of positive squares in 4 ways, for example, as 77841 + 68690944 = 279^2 + 8288^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 68768785 - 2¹⁷ = 68637713 is a prime.

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, 28350 + ... + 30679.

It is an arithmetic number, because the mean of its divisors is an integer number (10359765).

Almost surely, 2^68768785 is an apocalyptic number.

It is an amenable number.

68768785 is a deficient number, since it is larger than the sum of its proper divisors (14109335).

68768785 is a wasteful number, since it uses less digits than its factorization.

68768785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59267.

The product of its digits is 4515840, while the sum is 55.

The square root of 68768785 is about 8292.6946766416. The cubic root of 68768785 is about 409.6979432967.

The spelling of 68768785 in words is "sixty-eight million, seven hundred sixty-eight thousand, seven hundred eighty-five".