68889000 has 64 divisors (see below), whose sum is σ = 214943040. Its totient is φ = 18369600.

The previous prime is 68888999. The next prime is 68889019. The reversal of 68889000 is 98886.

It is a self number, because there is not a number n which added to its sum of digits gives 68889000.

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, 8482 + ... + 14481.

It is an arithmetic number, because the mean of its divisors is an integer number (3358485).

Almost surely, 2^68889000 is an apocalyptic number.

68889000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68889000 is an abundant number, since it is smaller than the sum of its proper divisors (146054040).

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

68889000 is a wasteful number, since it uses less digits than its factorization.

68889000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987 (or 22973 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 68889000 is about 8299.9397588175. The cubic root of 68889000 is about 409.9365358838.

The spelling of 68889000 in words is "sixty-eight million, eight hundred eighty-nine thousand".