68858010 has 96 divisors (see below), whose sum is σ = 194397840. Its totient is φ = 16809984.

The previous prime is 68857993. The next prime is 68858017. The reversal of 68858010 is 1085886.

68858010 is a `hidden beast` number, since 68 + 8 + 580 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 55219761 + 13638249 = 7431^2 + 3693^2 .

It is not an unprimeable number, because it can be changed into a prime (68858017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267802 + ... + 268058.

Almost surely, 2^68858010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68858010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97198920).

68858010 is an abundant number, since it is smaller than the sum of its proper divisors (125539830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68858010 is a wasteful number, since it uses less digits than its factorization.

68858010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 68858010 is about 8298.0726677946. The cubic root of 68858010 is about 409.8750561183.

The spelling of 68858010 in words is "sixty-eight million, eight hundred fifty-eight thousand, ten".