68864984 has 16 divisors (see below), whose sum is σ = 129345720. Its totient is φ = 34372800.

The previous prime is 68864947. The next prime is 68864989. The reversal of 68864984 is 48946886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68864989) 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 3 ways as a sum of consecutive naturals, for example, 2354 + ... + 11969.

Almost surely, 2^68864984 is an apocalyptic number.

It is an amenable number.

68864984 is a deficient number, since it is larger than the sum of its proper divisors (60480736).

68864984 is a wasteful number, since it uses less digits than its factorization.

68864984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14930 (or 14926 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 53.

The square root of 68864984 is about 8298.4928752154. The cubic root of 68864984 is about 409.8888931536. Note that the first 4 decimals are identical.

The spelling of 68864984 in words is "sixty-eight million, eight hundred sixty-four thousand, nine hundred eighty-four".