266527777768 has 32 divisors (see below), whose sum is σ = 574964064000. Its totient is φ = 113459568192.

The previous prime is 266527777721. The next prime is 266527777793. The reversal of 266527777768 is 867777725662.

266527777768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 266527777697 and 266527777706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15962880 + ... + 15979567.

It is an arithmetic number, because the mean of its divisors is an integer number (17967627000).

Almost surely, 2^266527777768 is an apocalyptic number.

266527777768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

266527777768 is an abundant number, since it is smaller than the sum of its proper divisors (308436286232).

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

266527777768 is a wasteful number, since it uses less digits than its factorization.

266527777768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31942609 (or 31942605 counting only the distinct ones).

The product of its digits is 580849920, while the sum is 70.

The spelling of 266527777768 in words is "two hundred sixty-six billion, five hundred twenty-seven million, seven hundred seventy-seven thousand, seven hundred sixty-eight".