68868882 has 48 divisors (see below), whose sum is σ = 159120000. Its totient is φ = 21464352.

The previous prime is 68868869. The next prime is 68868893. The reversal of 68868882 is 28886886.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25744 + ... + 28292.

It is an arithmetic number, because the mean of its divisors is an integer number (3315000).

Almost surely, 2^68868882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68868882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79560000).

68868882 is an abundant number, since it is smaller than the sum of its proper divisors (90251118).

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

68868882 is a wasteful number, since it uses less digits than its factorization.

68868882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2652 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 54.

The square root of 68868882 is about 8298.7277338156. The cubic root of 68868882 is about 409.8966267247.

The spelling of 68868882 in words is "sixty-eight million, eight hundred sixty-eight thousand, eight hundred eighty-two".