68888825 has 24 divisors (see below), whose sum is σ = 87643200. Its totient is φ = 53697600.

The previous prime is 68888821. The next prime is 68888843. The reversal of 68888825 is 52888886.

It is not a de Polignac number, because 68888825 - 2² = 68888821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68888821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303362 + ... + 303588.

It is an arithmetic number, because the mean of its divisors is an integer number (3651800).

Almost surely, 2^68888825 is an apocalyptic number.

It is an amenable number.

68888825 is a deficient number, since it is larger than the sum of its proper divisors (18754375).

68888825 is a wasteful number, since it uses less digits than its factorization.

68888825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 492 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 53.

The square root of 68888825 is about 8299.9292165656. The cubic root of 68888825 is about 409.9361887604.

The spelling of 68888825 in words is "sixty-eight million, eight hundred eighty-eight thousand, eight hundred twenty-five".