68808825 has 24 divisors (see below), whose sum is σ = 126405600. Its totient is φ = 36697680.

The previous prime is 68808769. The next prime is 68808917. The reversal of 68808825 is 52880886.

It is not a de Polignac number, because 68808825 - 2¹⁷ = 68677753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 50295 + ... + 51644.

It is an arithmetic number, because the mean of its divisors is an integer number (5266900).

Almost surely, 2^68808825 is an apocalyptic number.

It is an amenable number.

68808825 is a deficient number, since it is larger than the sum of its proper divisors (57596775).

68808825 is a wasteful number, since it uses less digits than its factorization.

68808825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101958 (or 101947 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 68808825 is about 8295.1084983863. The cubic root of 68808825 is about 409.7774421707. Note that the first 3 decimals are identical.

The spelling of 68808825 in words is "sixty-eight million, eight hundred eight thousand, eight hundred twenty-five".