68087766080 has 28 divisors (see below), whose sum is σ = 162133993740. Its totient is φ = 27235106304.

The previous prime is 68087766037. The next prime is 68087766083. The reversal of 68087766080 is 8066778086.

68087766080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9624394816 + 58463371264 = 98104^2 + 241792^2 .

It is not an unprimeable number, because it can be changed into a prime (68087766083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106386815 + ... + 106387454.

Almost surely, 2^68087766080 is an apocalyptic number.

It is an amenable number.

68087766080 is an abundant number, since it is smaller than the sum of its proper divisors (94046227660).

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

68087766080 is a wasteful number, since it uses less digits than its factorization.

68087766080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212774286 (or 212774276 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 68087766080 in words is "sixty-eight billion, eighty-seven million, seven hundred sixty-six thousand, eighty".