68897796144 has 40 divisors (see below), whose sum is σ = 178030954992. Its totient is φ = 22960128000.

The previous prime is 68897796137. The next prime is 68897796169. The reversal of 68897796144 is 44169779886.

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 7 ways as a sum of consecutive naturals, for example, 12672 + ... + 371424.

Almost surely, 2^68897796144 is an apocalyptic number.

It is an amenable number.

68897796144 is an abundant number, since it is smaller than the sum of its proper divisors (109133158848).

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

68897796144 is a wasteful number, since it uses less digits than its factorization.

68897796144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362765 (or 362759 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 69.

The spelling of 68897796144 in words is "sixty-eight billion, eight hundred ninety-seven million, seven hundred ninety-six thousand, one hundred forty-four".