68861859 has 8 divisors (see below), whose sum is σ = 100162752. Its totient is φ = 41734440.

The previous prime is 68861857. The next prime is 68861867. The reversal of 68861859 is 95816886.

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

It is not a de Polignac number, because 68861859 - 2¹ = 68861857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68861857) 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, 1043329 + ... + 1043394.

It is an arithmetic number, because the mean of its divisors is an integer number (12520344).

Almost surely, 2^68861859 is an apocalyptic number.

68861859 is a deficient number, since it is larger than the sum of its proper divisors (31300893).

68861859 is a wasteful number, since it uses less digits than its factorization.

68861859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086737.

The product of its digits is 829440, while the sum is 51.

The square root of 68861859 is about 8298.3045858778. The cubic root of 68861859 is about 409.8826929916.

The spelling of 68861859 in words is "sixty-eight million, eight hundred sixty-one thousand, eight hundred fifty-nine".