67792747776 has 144 divisors (see below), whose sum is σ = 194527447296. Its totient is φ = 20835606528.

The previous prime is 67792747769. The next prime is 67792747777. The reversal of 67792747776 is 67774729776.

It is a self number, because there is not a number n which added to its sum of digits gives 67792747776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67792747777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10110441 + ... + 10117143.

Almost surely, 2^67792747776 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 67792747776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97263723648).

67792747776 is an abundant number, since it is smaller than the sum of its proper divisors (126734699520).

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

67792747776 is a wasteful number, since it uses less digits than its factorization.

67792747776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748 (or 7734 counting only the distinct ones).

The product of its digits is 304946208, while the sum is 69.

The spelling of 67792747776 in words is "sixty-seven billion, seven hundred ninety-two million, seven hundred forty-seven thousand, seven hundred seventy-six".