68858688 has 112 divisors (see below), whose sum is σ = 196632576. Its totient is φ = 21204480.

The previous prime is 68858663. The next prime is 68858689. The reversal of 68858688 is 88685886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68858689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136645 + ... + 137147.

It is an arithmetic number, because the mean of its divisors is an integer number (1755648).

Almost surely, 2^68858688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68858688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98316288).

68858688 is an abundant number, since it is smaller than the sum of its proper divisors (127773888).

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

68858688 is a wasteful number, since it uses less digits than its factorization.

68858688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 562 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 57.

The square root of 68858688 is about 8298.1135205539. The cubic root of 68858688 is about 409.8764013715.

The spelling of 68858688 in words is "sixty-eight million, eight hundred fifty-eight thousand, six hundred eighty-eight".