68982988 has 6 divisors (see below), whose sum is σ = 120720236. Its totient is φ = 34491492.

The previous prime is 68982983. The next prime is 68982989. The reversal of 68982988 is 88928986.

It is not an unprimeable number, because it can be changed into a prime (68982983) by changing a digit.

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 as a sum of consecutive naturals, namely, 8622870 + ... + 8622877.

Almost surely, 2^68982988 is an apocalyptic number.

It is an amenable number.

68982988 is a deficient number, since it is larger than the sum of its proper divisors (51737248).

68982988 is a wasteful number, since it uses less digits than its factorization.

68982988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17245751 (or 17245749 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 58.

The square root of 68982988 is about 8305.5997977268. The cubic root of 68982988 is about 410.1228820645.

The spelling of 68982988 in words is "sixty-eight million, nine hundred eighty-two thousand, nine hundred eighty-eight".