68909228970 has 16 divisors (see below), whose sum is σ = 165382149600. Its totient is φ = 18375794384.

The previous prime is 68909228923. The next prime is 68909228981. The reversal of 68909228970 is 7982290986.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148487120 + ... + 1148487179.

It is an arithmetic number, because the mean of its divisors is an integer number (10336384350).

Almost surely, 2^68909228970 is an apocalyptic number.

68909228970 is an abundant number, since it is smaller than the sum of its proper divisors (96472920630).

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

68909228970 is a wasteful number, since it uses less digits than its factorization.

68909228970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296974309.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 68909228970 in words is "sixty-eight billion, nine hundred nine million, two hundred twenty-eight thousand, nine hundred seventy".