68884388 has 24 divisors (see below), whose sum is σ = 123466560. Its totient is φ = 33616800.

The previous prime is 68884381. The next prime is 68884393. The reversal of 68884388 is 88348886.

It is not an unprimeable number, because it can be changed into a prime (68884381) 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, 34670 + ... + 36602.

It is an arithmetic number, because the mean of its divisors is an integer number (5144440).

Almost surely, 2^68884388 is an apocalyptic number.

It is an amenable number.

68884388 is a deficient number, since it is larger than the sum of its proper divisors (54582172).

68884388 is a wasteful number, since it uses less digits than its factorization.

68884388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147 (or 2145 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 53.

The square root of 68884388 is about 8299.6619208255. The cubic root of 68884388 is about 409.9273874977.

The spelling of 68884388 in words is "sixty-eight million, eight hundred eighty-four thousand, three hundred eighty-eight".