68805659 has 8 divisors (see below), whose sum is σ = 74170320. Its totient is φ = 63451296.

The previous prime is 68805637. The next prime is 68805677. The reversal of 68805659 is 95650886.

It is a happy number.

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-68805659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68805059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16697 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (9271290).

Almost surely, 2^68805659 is an apocalyptic number.

68805659 is a deficient number, since it is larger than the sum of its proper divisors (5364661).

68805659 is a wasteful number, since it uses less digits than its factorization.

68805659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149.

The product of its (nonzero) digits is 518400, while the sum is 47.

The square root of 68805659 is about 8294.9176608330. The cubic root of 68805659 is about 409.7711572439.

The spelling of 68805659 in words is "sixty-eight million, eight hundred five thousand, six hundred fifty-nine".