68089587212 has 18 divisors (see below), whose sum is σ = 126578309172. Its totient is φ = 32042158144.

The previous prime is 68089587143. The next prime is 68089587221. The reversal of 68089587212 is 21278598086.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29449358 + ... + 29451669.

Almost surely, 2^68089587212 is an apocalyptic number.

It is an amenable number.

68089587212 is a deficient number, since it is larger than the sum of its proper divisors (58488721960).

68089587212 is a wasteful number, since it uses less digits than its factorization.

68089587212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58901065 (or 58901046 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 68089587212 in words is "sixty-eight billion, eighty-nine million, five hundred eighty-seven thousand, two hundred twelve".