68778925 has 12 divisors (see below), whose sum is σ = 88038016. Its totient is φ = 53247600.

The previous prime is 68778881. The next prime is 68778929. The reversal of 68778925 is 52987786.

It is not a de Polignac number, because 68778925 - 2⁷ = 68778797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68778929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43599 + ... + 45148.

Almost surely, 2^68778925 is an apocalyptic number.

It is an amenable number.

68778925 is a deficient number, since it is larger than the sum of its proper divisors (19259091).

68778925 is a wasteful number, since it uses less digits than its factorization.

68778925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88788 (or 88783 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The square root of 68778925 is about 8293.3060355928. The cubic root of 68778925 is about 409.7180790456.

The spelling of 68778925 in words is "sixty-eight million, seven hundred seventy-eight thousand, nine hundred twenty-five".