785067680008668 has 144 divisors (see below), whose sum is σ = 2133814566458400. Its totient is φ = 223998071721984.

The previous prime is 785067680008639. The next prime is 785067680008669. The reversal of 785067680008668 is 866800086760587.

It is a self number, because there is not a number n which added to its sum of digits gives 785067680008668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785067680008669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18182521896 + ... + 18182565072.

Almost surely, 2^{785067680008668} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 785067680008668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066907283229200).

785067680008668 is an abundant number, since it is smaller than the sum of its proper divisors (1348746886449732).

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

785067680008668 is a wasteful number, since it uses less digits than its factorization.

785067680008668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84804 (or 84795 counting only the distinct ones).

The product of its (nonzero) digits is 1300561920, while the sum is 75.

The spelling of 785067680008668 in words is "seven hundred eighty-five trillion, sixty-seven billion, six hundred eighty million, eight thousand, six hundred sixty-eight".