68987810848 has 24 divisors (see below), whose sum is σ = 148167003600. Its totient is φ = 31358095680.

The previous prime is 68987810833. The next prime is 68987810849. The reversal of 68987810848 is 84801878986.

It is not an unprimeable number, because it can be changed into a prime (68987810849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 97993698 + ... + 97994401.

It is an arithmetic number, because the mean of its divisors is an integer number (6173625150).

Almost surely, 2^68987810848 is an apocalyptic number.

It is an amenable number.

68987810848 is an abundant number, since it is smaller than the sum of its proper divisors (79179192752).

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

68987810848 is a wasteful number, since it uses less digits than its factorization.

68987810848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195988120 (or 195988112 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 67.

The spelling of 68987810848 in words is "sixty-eight billion, nine hundred eighty-seven million, eight hundred ten thousand, eight hundred forty-eight".