68142888 has 96 divisors (see below), whose sum is σ = 203636160. Its totient is φ = 20413440.

The previous prime is 68142883. The next prime is 68142901. The reversal of 68142888 is 88824186.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (68142881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76381 + ... + 77267.

It is an arithmetic number, because the mean of its divisors is an integer number (2121210).

Almost surely, 2^68142888 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 68142888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101818080).

68142888 is an abundant number, since it is smaller than the sum of its proper divisors (135493272).

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

68142888 is a wasteful number, since it uses less digits than its factorization.

68142888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1000 counting only the distinct ones).

The product of its digits is 196608, while the sum is 45.

The square root of 68142888 is about 8254.8705622802. The cubic root of 68142888 is about 408.4512021060.

The spelling of 68142888 in words is "sixty-eight million, one hundred forty-two thousand, eight hundred eighty-eight".