67786868776 has 48 divisors (see below), whose sum is σ = 139822048800. Its totient is φ = 30786481440.

The previous prime is 67786868767. The next prime is 67786868777.

67786868776 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (67786868777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1155235 + ... + 1212493.

It is an arithmetic number, because the mean of its divisors is an integer number (2912959350).

Almost surely, 2^67786868776 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 67786868776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69911024400).

67786868776 is an abundant number, since it is smaller than the sum of its proper divisors (72035180024).

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

67786868776 is a wasteful number, since it uses less digits than its factorization.

67786868776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58510 (or 58495 counting only the distinct ones).

The product of its digits is 1593188352, while the sum is 76.

The spelling of 67786868776 in words is "sixty-seven billion, seven hundred eighty-six million, eight hundred sixty-eight thousand, seven hundred seventy-six".