68441837784 has 16 divisors (see below), whose sum is σ = 171104594520. Its totient is φ = 22813945920.

The previous prime is 68441837749. The next prime is 68441837809. The reversal of 68441837784 is 48773814486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1425871597 + ... + 1425871644.

Almost surely, 2^68441837784 is an apocalyptic number.

It is an amenable number.

68441837784 is an abundant number, since it is smaller than the sum of its proper divisors (102662756736).

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

68441837784 is a wasteful number, since it uses less digits than its factorization.

68441837784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851743250 (or 2851743246 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 60.

The spelling of 68441837784 in words is "sixty-eight billion, four hundred forty-one million, eight hundred thirty-seven thousand, seven hundred eighty-four".