68468988 has 48 divisors (see below), whose sum is σ = 183163904. Its totient is φ = 19500480.

The previous prime is 68468977. The next prime is 68469007. The reversal of 68468988 is 88986486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29718 + ... + 31938.

Almost surely, 2^68468988 is an apocalyptic number.

It is an amenable number.

68468988 is an abundant number, since it is smaller than the sum of its proper divisors (114694916).

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

68468988 is a wasteful number, since it uses less digits than its factorization.

68468988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602 (or 2600 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 57.

The square root of 68468988 is about 8274.5989630918. The cubic root of 68468988 is about 409.1017176763.

The spelling of 68468988 in words is "sixty-eight million, four hundred sixty-eight thousand, nine hundred eighty-eight".